●100% WATERPROOF ●COTTON: Premium Cotton Terry Surface Mattress Protector with Waterproof Tpu Backing, Vinly Free. ●DEEP POCKET: Mattress Cover Has 5-Sided Elastic Skirt, Fitted 18 Inches Deep Pocket. ●BREATHABLE & NOISELESS: Soft, Comfortable Surface Mattress Pad Cover, Noiseless Fabric . ●MACHINE WASHABLE: Wash the Bed Cover in Cold Water without Bleach; Tumble Dry on Low Heat. Do not Iron, Do Not Dry Clean.