Enjoy ultimate protection with our antimicrobial, waterproof mattress pad that also blocks allergens and dust mites. The pad's 400 thread count, 100% cotton stripe fabric top protects from spills with protective stain release. Its waterproof backing seals out all allergens and dust mites, plus it's soft and won't annoy you with "crackling" noises. And even inside the pad the antimicrobial polyester fill is working to protect you from allergens. Stretch skirting fits up to a 20" mattress.