Open Coil Mattress: Features a 13.5-gauge open coil spring system with a stitch bond cover to provide even support for all your body's pressure points. Firmness: Features a medium to soft firmness - perfect for those who like to sleep on their side! Cover Material: Features a damask cover and is filled with layers of fiber to help you have a great night's sleep. Sizes: Choose from a small single, single, small double, double, or king-sized mattress. Mattress: Get an open coil sprung mattress. Open Coil Sprung Mattress | Living Social | Living Social