This Bonnell spring mattress offers you a pleasant feel and a comfortable sleeping experience. The fabric features a simple and clean look while being breathable, skin-friendly, and durable. The Bonnell spring system consists of interconnected hourglass-shaped steel springs that are firm and stable, providing excellent support and longevity. The mattress is made up of several layers, including a foam layer, an insulation layer, and a spring layer. This combination offers a soft to medium sleeping sensation and high sleeping comfort in all sleeping positions. Additionally, the mattress effectively absorbs sounds and vibrations caused by movement, ensuring a quiet and undisturbed sleep. The mattress is equipped with a long zipper at the bottom, making it easy to remove the cover for cleaning. The mattress cover is washable at up to 40 °C, but it should not be washed frequently. The mattress is compressed and rolled up in a box, allowing you to easily move it and set it up in your room. Color: White, Dark Gray, and Black; Cover Material: Fabric (100% Polyester); Filling Material: Bonnell Springs, Foam, Insulation Layer; Dimensions: 160 x 200 x 21 cm (W x L x H); Firmness: Medium.