Waterproof - The back is coated with TPU membrane, blocks spills/sweat, protects your mattress Breathable Comfort - Natural bamboo viscose blend fibers wick moisture and regulate temperature, keeping cool in summer, cozy in winter?agreat for all sleepers Secure Fit Design - Comes with deep pockets and elasticized edges that effortlessly stretch to fit most mattress depth, ensuring a snug, non-slip fit that stays in place even with nightly movement Jacquard Texture - Elegant bamboo viscose jacquard top adds a luxe, soft touch?ano crinkly plastic feel. Easy Care - Machine wash cold, tumble dry low; do not iron or dry clean Waterproof mattress protector