Rv Bunk Waterproof Mattress Protector (30" Wx75 L) - Fitted Sheet, Allergies. Rv Bunk Fitted Mattress Protector 30"x 75" - Fits Up to 16" Deep For Travel Trailer, Motorhome and Camper RV Bunk Mattresses. Fitted Sheet Style cover with elastic all around. Waterproof layer on all 5 sides (top and 4 sides) WATERPROOF: Whether you have pets or kids, accidents and spills happen. This 100% waterproof mattress protector has a polyurethane inner lining that blocks liquids and moisture from getting in. Liquids easily seep through to deeper layers of your mattress and are almost impossible to remove. Simply wrap your mattress in our premium cover and your mattress will remain waterproof, dry and protected! ALLERGY RELIEF: Do you suffer from allergies? Impenetrable cover helps you stay healthy and breathe easy. With our high quality mattress protectors, you are shielded from irritating contaminants that can sneak into the deep layers of your mattress! Sleeping on an unprotected mattress can expose you to many different types of allergies making it difficult to breathe and sleep. Seal out dust, pet hair for good! COMFORT EASE: Stretchable, breathable fabric keeps liquids and contaminants out without compromising comfort. Designed to be soft and completely noiseless, you will not see or hear crinkles under your sheets. DURABLE LONG-LASTING: Made of high quality polyester (surface) and polyurethane (inside lining). Intended for daily sleep and strong enough for heavy duty protection. Machine washable for easy cleaning and lasting use.