Sleep Creations Aerus Natural 1.5" Memory Foam Queen Mattress Topper For improved comfort, circulation, and alignment, 1-1/2-inch high memory foam queen-sized topper; great alternative to mattress purchase Made with natural, renewable plant-based materials using virtually emissions-free, patented process for production Open cell design for cooler sleep surface and optimal air circulation; no cover included After unpacking, allow up to 72 hours for aeration and full expansion; also available in twin, full, and king sizes Made in the USA, topper measures 80 inches long by 60 inches wide by 1-1/2 inches high