100% Polyester Imported 360° Coverage Protection - Fits 72 inches by 84 inches california king size mattress up to 15 inches deep, fully encasing all sides. The stretchy fabric slips on easily and stays securely in place without shifting. Refer to the installation video below for step-by-step guidance. Soft and Durable Fabric - The non-crinkling design keeps the california king size mattress cover quiet and comfortable without feeling stiff. Made from smooth, knitted polyester, that lays flat across the mattress. Secure Zippered Closure - The wrap-around zipper encloses the mattress for a tight, secure fit. The mattress protector is designed to provide all-around coverage without shifting. 100% Waterproof Liquid Barrier - A protective waterproof layer helps block spills, sweat, drinks and everyday accidents from reaching the mattress, ideal for homes with kids or pets. Easy Machine Care – The california king size mattress encasement is simple to maintain. Machine wash and tumble dry on low heat with your regular laundry to keep it clean. Note: Packaging may vary slightly.