Experience dependable support and balanced comfort with the firm bonnell spring mattress for small double, crafted with a robust 12.5 gauge bonnell spring system for reliable orthopaedic support and a firmer sleeping surface. Quilted 100% polyester top adds a smooth cushioned layer, while recycled polyester inside boosts breathability and comfort for a restful night. Medium to firm feel makes it a smart choice for back and stomach sleepers seeking posture support, and its rolled boxed design means easy delivery and setup in any space.