Microscopic pores in the 100% Waterproof membrane backing repel urine, perspiration, accidental spills, and all other liquids to keep your mattress safe from stains that could void the warranty on your mattress. Our mattress protectors and pillow protectors are noiseless and will not change the feel of your mattress or pillows. This is great for those with any type of mattress including innerspring, latex or memory foam. Made with a superior cotton rich terry cloth top to create soft, breathable, and comfortable protection. The ultra-thin hypoallergenic fabric guards against bed bugs, dust mites, bacteria, and other allergens. This keeps you and your family happy and healthy! Machine wash warm, dries quick on tumble dry low. Designed to outperform all other mattress protectors and pillow protectors. No ironing or expensive cleaning required! 30 DAY RISK FREE 100% GUARANTEE: We believe in our products so much we guarantee you will love it! Comes with a risk free 10 Year Warranty! If you are not satisfied, simply contact us to return the product for a refund. See our return policy for details. Sizing guide: Twin Size Mattress Protector: 39" x 75" and 2 Standard Size Pillow Protectors, 20 x 26 Full Size Mattress Protector: 54" x 75'" and 2 Standard Size Pillow Protectors, 20 x 26 Full XL Size Mattress Protector: 54" x 80'" and 2 Standard Size Pillow Protectors, 20 x 26 Queen Size Mattress Protector: 60" x 80'" and 2 Standard Size Pillow Protectors, 20 x 26 King Size Mattress Protector: 78" x 80'" and 2 King Size Pillow Protectors, 20 x 40 California King Size Mattress Protector: 72" x 84'" and 2 King Size Pillow Protectors, 20 x 40