Waterproof Sofa Bed Mattress Pad — Full 54"×72", 3M Scotchgard, 6" Knit Skirt Fits Up to 8", Antimicrobial, Oeko-Tex | $55.70
MATTRESSES & TOPPERS · MATTRESS PADS & PROTECTORS
Waterproof Laminated Backing. 3M Scotchgard Moisture Management. Antimicrobial Fill. A 6" Knit Skirt That Fits Sofa Bed Mattresses Up to 8" Deep. The Mattress Pad Built for the Specific Demands of a Sofa Bed.
Full sofa bed · 54"W × 72"L + 6" knit skirt · Microfiber face with 3M Scotchgard · Non-woven reverse · Laminated knit waterproof backing · Antimicrobial fiber fill · Classic diamond quilting · Fits sofa bed mattresses up to 8" deep · Oeko-Tex certified · Machine washable · Ships compressed — expands within 72 hours · Also available Queen 60"×72" · $55.70
Ships compressed — allow 72 hours to expand fully. This mattress pad is shipped in compressed packaging for efficient delivery. Upon unpacking, unroll and lay flat — it will expand to its full shape and loft within 72 hours. Place a fitted sheet over the pad before use to keep it clean, prevent sliding, and hold it in position on the sofa bed mattress.
Quick Answer: A waterproof sofa bed mattress pad — 54"W × 72"L + 6" knit skirt — with a three-layer construction: microfiber face with 3M Scotchgard Moisture Management Treatment, non-woven reverse, and laminated knit waterproof backing. Antimicrobial fiber fill. Classic diamond quilting. The 6" knit skirt secures the pad on sofa bed mattresses up to 8" deep. Oeko-Tex certified. Machine washable. Ships compressed — expands within 72 hours. Also available in Queen (60"×72"). $55.70.
A sofa bed presents a different set of mattress pad challenges from a standard bed. The mattress is shallower — typically 4" to 6" deep vs the 10"–16" of a standard mattress. It folds in thirds and stores inside the sofa when not in use — any mattress pad must tolerate that folding cycle without bunching, creasing permanently, or losing its shape. It is used by guests rather than the household's regular sleepers — which means it experiences moisture, stains, and the wear of occasional use without the benefit of a daily routine that keeps the bedding clean. And it must be ready to deploy quickly when a guest arrives.
This mattress pad addresses all four of those challenges specifically: the 6" knit skirt with its deep, secure fit holds the pad on a shallow sofa mattress without slipping; the laminated knit waterproof backing protects the sofa bed mattress from any moisture that penetrates from above; the 3M Scotchgard Moisture Management Treatment wicks moisture away from the surface and makes stains easier to release in washing; and the antimicrobial fiber fill suppresses odour-causing bacteria between washes. It is the mattress pad designed for the sofa bed, not adapted from one built for a standard bed.
What You Get. Every Dimension and Layer Listed.
| Component | Spec |
|---|---|
| Pad Size — Full | 54"W × 72"L |
| Knit Skirt | 6" deep — fits sofa bed mattresses up to 8" deep |
| Face | Microfiber — 3M Scotchgard Moisture Management Treatment |
| Reverse | Non-woven |
| Waterproof Backing | Laminated knit backing — waterproof barrier layer |
| Fill | Antimicrobial fiber |
| Quilting | Classic diamond quilting |
| Also Available | Queen — 60"W × 72"L + 6" knit skirt |
💡 Standard sofa bed mattress dimensions are typically 54"×72" (Full) or 60"×72" (Queen) — both 3" shorter in length than their standard mattress counterparts. This pad is specifically sized for those sofa bed dimensions. Confirm your sofa bed mattress dimensions before ordering.
Three-Layer Construction — Each Layer Serving a Specific Function.
The pad is built in three distinct layers, each targeting a different protection and comfort requirement:
LAYER 1 — FACE
Microfiber + 3M Scotchgard
The top surface against a fitted sheet — soft microfiber with 3M Scotchgard Moisture Management applied. Scotchgard wicks moisture away from the surface to keep the sleeping area dry, and causes stains to bond less strongly to the fabric, releasing more completely in the wash. This is the sleep-comfort and maintenance layer.
LAYER 2 — FILL
Antimicrobial Fiber Fill
The fill layer sits between the microfiber face and the waterproof backing — it provides the pad's thickness, comfort, and the diamond-quilted body. The antimicrobial treatment in the fill suppresses the growth of odour-causing bacteria throughout the pad body, keeping it fresher between washes — especially important for a sofa bed used intermittently by guests.
LAYER 3 — BACKING
Non-Woven + Laminated Knit Waterproof Barrier
The bottom layer — the non-woven reverse with a laminated knit backing — is the waterproof barrier. Any moisture that penetrates through the face and fill is stopped by the laminated backing and cannot reach the sofa bed mattress below. This protects the sofa bed mattress from stains, moisture, and the damage that would require mattress replacement.
The 6" Knit Skirt — Why Sofa Bed Mattresses Need a Different Skirt Depth.
Standard mattress pads are designed for mattresses 10"–16" deep — their skirts are typically 6"–18" and the elastic holds the pad in place on a deep, stable mattress that doesn't move. A sofa bed mattress is an entirely different challenge: typically 4"–6" deep, it is stored folded in thirds inside the sofa frame, is pulled out and unfolded for use, and then refolded and stored again after the guest leaves. A standard mattress pad skirt built for a 14" mattress does not hold securely on a 5" sofa bed mattress — there is too much excess fabric that folds and bunches rather than gripping.
| Mattress Type | Typical Depth | Skirt Required | This Pad |
|---|---|---|---|
| Standard bed mattress | 10" – 16" | Deep pocket skirt — 14"–18" | ❌ Over-sized skirt bunches on a thin mattress |
| Sofa bed mattress ✅ | 4" – 8" | 6" knit skirt — fits up to 8" | ✅ Correctly sized for sofa bed depth — secures without bunching |
💡 The knit fabric of the skirt has natural stretch — it accommodates sofa bed mattresses from thin (4") up to 8" deep. If your sofa bed mattress is deeper than 8", confirm the skirt depth before purchasing.
3M Scotchgard on a Sofa Bed Mattress Pad — Why It Matters More Here Than Anywhere.
Sofa beds are used by guests — people who may have unfamiliar sleep patterns, who may eat or drink on the sofa before unfolding it as a bed, and whose overnight stays may not follow the routine maintenance of the household's regular bedding. The 3M Scotchgard Moisture Management Treatment addresses both of the most common sofa bed mattress pad challenges directly:
MOISTURE WICKING
Keeps the Sleep Surface Dry
The Scotchgard treatment wicks moisture — perspiration, humidity — away from the microfiber face surface, keeping the area above the pad drier throughout the night. The waterproof laminated backing stops any moisture that does penetrate the pad from reaching the sofa bed mattress below. The two features work together: Scotchgard wicks at the surface; the laminated backing catches anything that gets through.
STAIN RELEASE
Stains Wash Out More Completely
The stain-release component causes stains to bond less strongly to the microfiber face — when the pad is machine washed, stains from guest use release more completely from the treated surface. For a sofa bed pad that may accumulate various stains over multiple guest uses between deep cleanings, this is the feature that keeps the pad looking clean and extends its practical service life.
Who Is This Pad For? 4 Scenarios.
Scenario 1: Your sofa bed gets regular guest use — you need a mattress pad that protects the sofa bed mattress and handles moisture and stains from guest use.
The combination of a waterproof laminated backing (stops moisture reaching the sofa bed mattress), 3M Scotchgard on the face (wicks surface moisture, releases stains in washing), and antimicrobial fill (suppresses odour-causing bacteria between washes) directly addresses the practical demands of regular guest use. One pad handles all three sofa-bed-specific challenges: moisture protection, stain management, and freshness between washes.
Scenario 2: You want to add comfort to a thin, firm sofa bed mattress — making it genuinely comfortable for overnight guests.
Sofa bed mattresses are notoriously thin and firm — the depth constraints of fitting inside a sofa frame mean the mattress cannot be as deep or as cushioned as a standard bed. The diamond-quilted antimicrobial fiber fill adds a cushioning layer directly on top of the sofa mattress surface, giving guests a more comfortable sleep without replacing the sofa bed or its mattress. The 6" knit skirt holds the pad in place through a full night of use without sliding or bunching.
Scenario 3: Your sofa bed mattress has accumulated staining or wear and you want to protect it going forward — or protect a new sofa bed mattress from its first use.
The waterproof laminated backing provides complete barrier protection for the sofa bed mattress below — once this pad is in place, no moisture from above reaches the mattress surface. For a new sofa bed, this is the first-use investment that prevents the mattress from ever accumulating the moisture and stain damage that causes replacement. For an existing mattress, it protects it from further deterioration and makes the surface above it cleaner and more comfortable for every future guest.
Scenario 4: You want an Oeko-Tex certified, antimicrobial sofa bed mattress pad — safe for all guests including children and allergy-sensitive sleepers.
The Oeko-Tex certification confirms all components of the pad — including the 3M Scotchgard treatment and the antimicrobial fill — are free of harmful substances. The antimicrobial fill is particularly relevant for guest use by children or allergy-sensitive adults — it suppresses the bacteria that accumulate in infrequently used bedding and keeps the pad hygienic between the washing cycles that regular guest use may not always prompt immediately.
How to Set Up This Pad on a Sofa Bed — Step by Step.
- Unbox and unroll — remove from compressed packaging and unroll flat; the pad will need up to 72 hours to expand fully to its intended loft and shape; for best results allow this expansion time before first guest use
- Unfold the sofa bed — pull out the sofa bed frame and unfold the mattress fully before placing the pad
- Fit the knit skirt over the mattress corners — the 6" knit skirt stretches over the sofa bed mattress corners and holds the pad securely on mattresses up to 8" deep; start at one corner and work around all four corners
- Place a fitted sheet over the pad — placing a fitted sheet directly over the mattress pad serves two functions: it keeps the pad surface clean between washes and it prevents the pad from sliding or clumping during the night; a standard Twin or Full fitted sheet works correctly over this sofa bed pad
- Fold and store normally — once the guest leaves, fold the sofa bed back into its frame as normal; the pad folds with the mattress and stores inside the sofa until next use
Complete the Sofa Bed Guest Setup — What Pairs With This Pad.
- Sheets & Pillowcases — a Full fitted sheet placed over this pad before guest use; a flat sheet and pillowcases complete the guest bed; a Twin or Full fitted sheet in white or neutral works over the 54"×72" pad — browse the full sheet range
- Comforters, Blankets & Sets — a lightweight comforter or blanket for the guest to sleep under; the sofa bed mattress pad provides the protective and comfort layer between the mattress and the sheet; the comforter provides the warmth layer above
- Overfilled Plush Waterproof Mattress Pad — the companion waterproof mattress pad in the catalog for standard bed sizes; if other beds in the household also need waterproof mattress pad protection, the overfilled plush pad ($63.53) is the standard-bed alternative with a plush pillow-top surface
- 300 Thread Count Cotton Sateen Waterproof Mattress Pad — the premium waterproof mattress pad in the catalog; T300 cotton sateen face with waterproof backing for standard beds; if the guest room also has a regular bed needing protection, the cotton sateen pad ($52.11) is the premium-material alternative
- View all Mattress Pads & Protectors →
Care Instructions. Machine Washable. Protect the Laminated Waterproof Backing.
Laminated backing care: The waterproof laminated knit backing can be damaged by high heat — hot water washing or high-heat tumble drying can cause the lamination to delaminate or crack over time, eliminating the waterproof function. Always wash cold and dry on low heat or air dry to preserve the waterproof backing across repeated wash cycles.
- Machine washable — the 54"×72" Full sofa bed pad fits in most standard home washing machines; wash alone or with similar lightweight items to avoid abrasion damage to the microfiber face
- Cold water only — cold water is critical for preserving both the 3M Scotchgard treatment (which can degrade at elevated temperatures) and the laminated waterproof backing (which can delaminate under heat stress)
- The Scotchgard stain-release aids washing — everyday stains from guest use release more completely from the treated surface in cold-water washing; no pre-treatment of standard stains is typically needed
- Tumble dry low or air dry — low heat tumble or flat air drying preserves the laminated waterproof backing and the Scotchgard treatment; high heat degrades both over time
- No bleach — bleach permanently damages both the microfiber face and the laminated waterproof backing
- Place fitted sheet over pad after washing — once the pad is clean and dry, return it to the sofa bed mattress and place a fitted sheet over it before folding the sofa bed back; this keeps the clean pad surface protected until the next guest use
Product Specs at a Glance
| Size — Full | 54"W × 72"L + 6" knit skirt |
| Also Available | Queen — 60"W × 72"L + 6" knit skirt |
| Skirt Fit | Fits sofa bed mattresses up to 8" deep |
| Face | Microfiber — 3M Scotchgard Moisture Management Treatment |
| Reverse | Non-woven |
| Waterproof Backing | Laminated knit — waterproof barrier |
| Fill | Antimicrobial fiber |
| Quilting | Classic diamond quilting |
| 3M Scotchgard | ✅ Moisture-wicking + stain release on face |
| Waterproof | ✅ Laminated knit backing |
| Antimicrobial | ✅ In fill — suppresses odour-causing bacteria |
| Oeko-Tex Certified | ✅ All components |
| Machine Washable | ✅ Cold water only — tumble dry low — no bleach |
| Ships | Compressed — expands within 72 hours |
| Setup Note | Place fitted sheet over pad to prevent sliding and keep surface clean |
| Price | $55.70 |
| SKU | D0102HRGU68 |
Frequently Asked Questions
Will this pad fit my sofa bed mattress?
Confirm your sofa bed mattress dimensions before ordering. Standard Full sofa bed mattresses are 54"×72" — this pad is specifically sized for those dimensions. The 6" knit skirt fits sofa bed mattresses up to 8" deep. If your sofa bed mattress is a different size or deeper than 8", select the Queen size (60"×72") for a wider mattress or confirm depth compatibility before purchasing. Sofa bed mattresses are 3" shorter in length than standard bed mattresses of the same size designation — this pad accounts for that.
How long does it take to expand after unboxing?
The pad ships compressed and will expand to its full shape and loft within 72 hours of unboxing. Unroll it flat in the room where it will be used and allow this full expansion time before placing it on the sofa bed mattress for first guest use. If setup time is limited, the pad can be placed on the mattress immediately after unboxing — it will continue expanding in position and reach its full loft within the 72-hour window.
Why do I need to place a fitted sheet over the pad?
Placing a fitted sheet over the mattress pad serves two functions: it keeps the pad's surface clean between washes by adding a washable layer directly above it, and it prevents the pad from sliding or clumping during the night. Without a fitted sheet over the pad, body movement during sleep can cause the pad to shift on the sofa bed mattress — particularly for a sofa bed mattress where the thin depth means less friction for the skirt to grip. A standard Full fitted sheet placed over the pad holds everything in position.
Can this pad be folded back with the sofa bed when not in use?
Yes — the pad is designed to fold with the sofa bed mattress and store inside the sofa frame between uses. The diamond quilting and knit skirt construction tolerate the folding cycle of sofa bed use. Place the pad on the mattress, fit the knit skirt over the corners, place a fitted sheet over it, and then fold the sofa bed back into its frame as normal — the pad folds with the mattress and is stored and ready for the next guest use.
How does the waterproof backing work — and will I feel or hear it?
The waterproof layer is a laminated knit backing — a thin layer of waterproof material bonded to the knit fabric on the underside of the pad. It creates a barrier that stops liquid from penetrating through to the sofa bed mattress below. The laminated knit construction is quieter and more flexible than older PVC or plastic waterproof backings that create a crinkle sound during sleep — the knit lamination is designed to be undetectable during normal use. A fitted sheet over the pad further reduces any sound or sensation from the backing layer.
Part of the Mattress Pads & Protectors collection at beddingandcomfort.com · Every Night Deserves a First Class Bed.
