Get the perfect night's sleep with this cool memory foam mattress topper. Click this BED & BATH GUIDE to find the perfect fit and more! - https://www.kohls.com/feature/bed-bath-guide.jsp.. Cooling, 1.8-lb gel infused blue air foam, Fits most mattresses up to 18-in. deep, Hypoallergenic, 3-in. thickness, Super soft memory foam provides maximum pressure relief for joint pain, Cooling gel infused foam with breathable ventilation prevents heat build-up. SIZING. Twin: 37'' x 73'', Full: 52'' x 73'', Queen: 58'' x 78'', King: 76'' x 78'', Cal. King: 70'' x 82''. CONSTRUCTION AND CARE. 1.8-lb gel infused blue air foam, Machine wash. Law Label - https://media.kohlsimg.com/is/content/kohls/LL_3476374 Color: White. Gender: unisex. Age Group: adult. Material: POLY BLEND.