Drift into deep relaxation with a single bonnell spring mattress designed for back pain relief, expertly blending firm orthopaedic support with a soft, cloud-like touch for restful nights. The 12.5g open coil Bonnell spring system provides targeted support that helps keep your spine aligned and eases pressure on your back and joints, while layers of recycled polyester and hypoallergenic reflex foam deliver breathable cushioning and effective insulation. With a quilted 100% polyester panel for a smooth finish, this 3ft bonnell spring mattress with hypoallergenic reflex foam in the is perfect for children or adults seeking medium to firm comfort, and its rolled, boxed design makes moving it into any room a breeze.