Maximize the life of your mattress with this Granby Waterproof and Hypoallergenic Rayon from Bamboo Blend Mattress Protector. The secure fit of this fitted sheet style cover is completely noiseless thanks to its vinyl-free construction. Constructed from breathable Rayon from Bamboo and Polyester, this protector covers the entire mattress for allover coverage and features a 100-percent waterproof backing to help protect your mattress against unwanted spills, sweat, and bacteria. This machine washable mattress protector is as easy to clean as it is to use.