This two-layer mattress topper is designed to deliver additional support and firmness, while still providing the therapeutic benefits of memory foam. 1.5inch premium memory foam top layer 2.5inch foam second layer provides a base of support provides pressure point relief helps reduce tossing and turning promotes comfortable, correct spinal alignment resistant to dust mites, naturally antimicrobial eliminates motion transfer and disperses your weight evenly helps rejuvenate tired muscles and eases back pain 5-year manufacturer s warranty. Made in America. Twin: 39x75x4inch H Full: 54x72x4inch H Queen: 60x80x4inch H King: 76x80x4inch H Cal King: 72x84x4inch H Available in sizes: Twin. Available in colors: White. Available from JCPenney.