Get deep, restful sleep night after night with the Martisiluna 10.5-Inch Hybrid Gel Memory Foam Mattress with Coil Innerspring. This twin-size mattress combines irresistible comfort and master design to bring forward a new kind of sleep that works for everyone.The Martisiluna 10.5-inch twin-size mattress features 8 layers of premium memory foam, gel memory foam, and an innerspring that provides lasting comfort and support during the night. This impressive mattress fully adapts to your unique body shape and relieves painful pressure points for all-night relief. This hybrid mattress equipped with gel memory foam pulls heat away from your body as air flows through the individually wrapped coil innerspring.This mattress also features enhanced edge support combined with a base layer of durable support foam that provides lasting stability while reducing motion transfer. The 10.5-inch twin-size hybrid mattress measure 54 x 75 x 10.5 inches, and is rolled and compressed in a box for easy shipping and handling. The mattress may take 72 hours to expand to its full size after being unpacked.Revolutionize the way you sleep with the Martisiluna 10.5-Inch Hybrid Gel Memory Foam Mattress with Coil Innerspring. Size: medium. Color: White and Black.