Pinzon Permaloft Zip-Off Waterproof Mattress Pad, Queen Queen zip-off waterproof Permaloft mattress pad; imported 205-thread-count, 100-percent woven cotton top; waterproof backing; polyester fiber fill 18-inch knit platform skirt fits deep mattresses; zip-off top for easy removal Machine wash cold; tumble dry low; do not bleach Ships in Certified Frustration-Free Packaging