Experience restful nights with the harmony spring mattress, blending everyday comfort and reliable support through its robust open coil Bonnell spring system. Enjoy a touch of softness from the quilted panel top crafted in 100% polyester, while recycled comfort layers inside keep things breathable and eco-friendly. With medium firmness and hypoallergenic features, this mattress suits back, side or combination sleepers, and arrives rolled for easy setup in any home.