The AllerEase Comfort & Protection Waterproof Fitted Mattress Protector is made of a soft circular knit fabric with moisture wicking to keep you cool and comfortable through the night. A quiet waterproof backing and stain release technology help to extend the life of your mattress and protect against spills and stains. This mattress protector is great for use on any mattress type including memory foam. It is also machine washable for easy care and continued use. Quiet waterproof protection prevents liquids from contaminating and ruining your mattress Moisture-wicking comfort keep you cool and dry Stain release fabric maintains long-lasting clean Superior fitted construction stretches to fit mattresses up to 18" deep Features: Moisture Wicking, Stain Resistant, Breathable, Waterproof, Washable, Deep Pocket Bed Size: California King Measurements: 84 Length/Inches, 72 Width/Inches Mattress Depth: Up To 18 In Deep Base Material: 100% Polyester Filling Content: 100% Nofilling Care: Machine Wash Mattress Pads & Toppers Type: Mattress Protectors Country of Origin: Imported