The Bonnell coil mattress is from our exclusive Rest & Renew sleep line, available only at CITY. The 6.5” single zone pocketed coil support system is topped with 1/4” of poly foam. It’s a great value option that offers long-lasting flexibility and minimal give. Oeko-Tex breathable covers are certified to be free of harmful substances. This mattress works with all traditional box springs, slatted foundations, and solid foundations. The cushion firm comfort level is great for back and stomach sleepers. Each mattress is conveniently packaged in a box that ships fast and free to your door so all you have to do is unbox, unroll, and unwind.