Hotel Laundry makes your life comfortably easy! The Waterproof Allergy Mattress Encasement Set includes a mattress encasement and matching pillow protector(s). It is made with protective fabric that is waterproof and allergy-free. The mattress encasement is stretchy to nicely fit mattresses from 8-inches to 15-inches deep. Its 3 sided zipper is designed for easy housekeeping. Twin set includes: Twin Mattress Encasement: 39 in W x 75 in L Standard Pillow Protector: 20 in W x 26 in L Twin XL set includes: Twin XL Mattress Encasemet: 39 in W x 80 in L Standard Pillow Protector: 20 in W x 26 in L Full set includes: Full Mattress Encasement: 54 in W x 75 in L 2 Standard Pillow Protectors: 20 in W x 26 in L Queen set includes: Queen Mattress Encasement: 60 in W x 80 in L 2 Queen Pillow Protectors: 20 in W x 30 in L King set includes: King Mattress Encasement: 78 in W x 80 in L 2 King Pillow Protectors: 20 in W x 36 in L Set of 2 Zip closure Imported Material & Care Polyester Machine washable