Earlybird Coppercool Performance 10" Firm Memory Foam Full Mattress delivers cool, supportive rest with pressure-responsive memory foam and a polyurethane cooling cover designed to help manage heat for a more comfortable night. Copper-infused memory foam layers work with a firm support core to relieve pressure and encourage spinal alignment, while the bed in a box format makes setup straightforward. Made in the USA and backed by a 10 year warranty, this Full mattress pairs with standard foundations and a box spring to provide consistent, firm support night after night.