Beautyrest Waterproof Mattress Pad, California King Microfiber ULTIMATE COMFORT ? Soft 200-thread count microfiber fabric and supportive hypoallergenic fiberfill MATTRESS PROTECTION ? Shields mattress from wear and tear damage with waterproof and stain releasing properties STAYS IN PLACE - Expand-a-Grip skirt fits mattresses up to 16? EASY CARE ? Suitable to machine wash and dry Filled and finished in the USA of imported materials