This 100% cotton mattress protector was made for cotton lovers! It has been scientifically engineered and woven to block dust mites, pollen, pet dander, and other allergens. It is the ultimate way to protect a bed without sacrificing comfort and effectiveness! 100% cotton mattress covers are perfect for hot sleepers and for anyone who owns a memory foam mattress. Cotton dust mite covers are cool and breathable, woven entirely of chemical-free, naturally soft Oeko-Tex certified cotton fibers - Contain no vinyl, phthalates, bisphenol A, or PVC. Truly both soft and breathable, AllergyCare cotton allergy control fabric is one of the most effective, cool, and comfortable dust mite allergen barrier covers available today. Bargoose Home Textiles allergy covers have been tested and approved as effective dust mite allergen protection. Whether you suffer from seasonal allergies, pet dander, or conditions such as asthma, you can have a night of better sleep. Stop waking up stuffy-eyed and runny nose mornings. The zippered style of our 100% cotton covers gives you that tight, snug feeling that is usually associated with just fitted covers along with the full 360 protection of true zippered encasing. Available in 9" and 12" depths. Add these zippered mattress encasements to your master bedroom, guest bedroom, kids' bedroom, or any mattress in your home or property. Easily protect the top, bottom, and sides of your mattress and extend its life. Size: california king. Color: White.