This versatile mattress topper features two sides-gel memory foam for plush, heat-wicking comfort, and copper foam with natural antimicrobial, odor-resistant properties for a firmer, cool sleep. Its pressure-relieving memory foam adapts to your shape, easing aches and tension for restful nights.CertiPUR-US certified, it guarantees high-quality foam that meets strict standards for durability and performance. Compressed, vacuum-sealed, and rolled in a box, it ships easily and uncompresses in seconds-no hassle setup for instant comfort.Suitable for all ages (child to senior) and supporting up to 250 lbs (twin) or 500 lbs (other sizes), this topper blends versatility, quality, and convenience to elevate any mattress. Material: Polyurethane.