Memory Foam 3" MEDIUM MATRESS TOPPER: Instantly improves the comfort of any mattress, evenly absorbing the force of your body and its pressure points to reduce tossing and turning so you can wake up feeling refreshed PRESSURE-RELIEVING MEMORY FOAM: Signature TEMPUR material adapts to your unique shape, weight, and temperature to offer the same pressure-relieving comfort and support found in our mattresses REDUCED MOTION TRANSFER: Designed to reduce motion transfer so you can rest undisturbed even when you're sleeping beside your partner, kids, or pets, helping everyone get a blissful night of sleep MACHINE-WASHABLE COVER: Protected by an ultra-soft, hypoallergenic cover featuring Safe-Guard Technology, and the cover can be removed and machine washed as needed for easy cleaning TWIN XL SIZE TOPPER: Fits neatly over twin XL size beds, and the Staytight corner straps keep your topper securely in place by creating a nonslip connection to your mattress.