Classic Brands Cool Gel Ventilated Gel Memory Foam 8-Inch Mattress, Twin Perfect solution for Back To School, great for kids' rooms, bunk beds, and dorms 39" W x 75" L x 8" H The latest technology in memory foam mattresses, 2 inches of gel-infused memory foam for breathability and temperature regulation on top of 6 inches of high-density base foam for support, pressure point relief, and proper spinal alignment Beautifully detailed all around cover with four way stretch works with the memory foam to optimize its conforming properties Gel foam draws heat away from the body, keeping you cool while the base foam provides comfort and support for a refreshing night's sleep High-quality memory foam and pressure relieving gel memory foam are naturally hypoallergenic and resistant to allergens, mold, bacteria, and dust mites and it meets CertiPUR-US program standards for performance, emissions, and durability Medium-Firm Feel and Adjustable Base Friendly Mattress ships compressed, rolled and shipped in a box conveniently delivered to your door for easy set-up; frame/foundation/base not included