Sofa Protection Sleeper Sofa Mattress Protectors by Gotcha Covered. The sofa bed mattress protector is an exclusive size offering. We realized there was a need for a mattress protector designed specifically to fit your new sofa sleeper mattress. The hide-a-bed waterproof mattress cover also serves as a barrier for dust mites and allergens, which provides for healthy, irritant-free sleep. A fitted sheet-style ensures a snug fit on any mattress with easy removal and re-use. Premium Waterproof Mattress Cover Features and Benefits: Soft and super absorbent, with an organic matelase Waterproof, yet breathable layer - similar to human skin. Protects against stains, spills, sweat, bodily fluids and bed wetting. Effective in preventing dust mites and bacteria from breeding inside the mattress, which are a significant cause of asthma, rhinitis and eczema. Especially helpful in cases of incontinence. High Quality Fitted-sheet style with four-way stretch ensures a great fit on for non-standard sofa bed mattress length and depth. (72-inch length and 4.5-inch depth) Ultra thin material does not detract from the comfort of the mattress. Machine washable and tumble dry ready. Durable with the ability to be washed in excess of 200 times. Tested for harmful substances according to Oeko-Tex Standard 100. These mattress protectors go on just like a fitted sheet and also help with sheet creep! Available Sizes: Specially designed to fit your sofa sleeper mattress Full Size Lo-Profile (54 x 72 x 4.5 inch), Queen Size Lo-Profile (60 x 72 x 4.5 inch).