The Mainstays 1.5" 7-Zone Memory Foam Mattress Topper in Blue is a rectangular-shaped bedding accessory designed to provide pressure relief. It is made of polyurethane foam and memory foam materials, and measures 79.00 x 59.00 x 1.50 inches when assembled. This mattress topper is suitable for teens, adults, and kids, and features a traditional style. It has no closure and can be hand washed for care. The Mainstays brand is known for its quality products, and this mattress topper is no exception.