Wake up refreshed with dependable support and everyday comfort from a double bonnell spring mattress with comfort layers, made for those who appreciate a balanced sleep surface. Enjoy a slightly firmer feel from the 13.5g open coil Bonnell spring system, paired with a soft quilted top crafted from 100% polyester for added cosiness. Recycled polyester comfort layers help regulate temperature and offer breathable insulation, making it a sustainable and practical choice for nightly use. Arriving rolled and boxed for easy setup, this 4ft6 bonnell spring mattress for back support fits seamlessly into your home and supports up to 120kg.