Fresh Ideas Mattress Guard Allergy Relief Zippered Mattress Protector is an effortless way to keep your mattress safe from unwanted allergens. Each mattress cover features a 3-layer micro-porous fabric that effectively blocks dust mites, allergens and bed bugs from entering the mattress. This protective layer is integral in ensuring your mattress investment lasts. Our bedding products come in high-quality construction to offer maximum durability and security. Rest easy knowing your mattress is secure. Shop our coordinating pillow protectors for complete bedding protection (pillow protectors sold separately). Machine washable. Available in twin, full, queen, king, and california king. 50% polypropylene/50% polyethylene. Color: White.