Design: 13.5 open coil Bonnel spring system and a micro-quilted surface provides a plush and luxurious feel for enhanced comfort. Mattress: Get an ultra gen, wavy reflex hybrid spring mattress. Durable: The removeable fabric ensures that you can keep your mattress fresh and clean, lasting for a long time. Hypoallergenic: This mattress is perfect for those that suffer from allergies and asthma, as this mattress is resistant to dust mites. Benefits: The memory foam has proven benefits to your body, including head, back, hips, legs and heels. Features: With a medium comfort rating, this mattress ensures optimal support and a restful sleep experience.