Get ready for an extra layer of cushion that provides for a restful night's sleep. whole body support, relieves pressure points to reduce tossing and turning open cell construction for superior airflow Memory foam. Spot clean foam with damp cloth. Made in America. Twin: 34x72 Twin XL: 34x77 Full: 50x72 Queen: 55x77 King: 74x77 Cal. King: 68x80 Memory Foam Tips: remove from packaging within 72 hours after unwrapping, air product for a few hours to eliminate trapped odors allow 48 hours for this product to return to its original shape Topper dimensions may be sized slightly smaller than your mattress for a secure fit under your sheets.