Need a little extra cushioning and pressure relief? Increase the comfort of your mattress with the 3 inch CRAFT & TRADE, COPPERGEL Cooling Pressure Relieving Memory Foam Mattress Topper, Queen. Our CRAFT & TRADE toppers are crafted with innovative COPPERGEL technology that absorbs and transfers heat away from the body to support an optimal sleep temperature. The cooling, antimicrobial properties of copper along with the pressure-relieving support of gel help provide you with a cool, comfortable sleep night after night while keeping your mattress fresh and clean. CRAFT & TRADE – The Art of Better Sleep.