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 steel coils in an hourglass shape, which are firm and stable to provide 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 feel and high sleeping comfort in all sleeping positions. Additionally, the mattress effectively absorbs noises and vibrations caused by movement, ensuring a quiet and undisturbed sleep. The mattress is equipped with a long zipper, making it easy to remove the cover for cleaning. The mattress cover is washable at up to 40 °C but should not be washed frequently. The mattress is compressed and rolled up in a box, allowing for easy transportation and setup in your room. Color: White, Dark Gray, and Black; Material: Fabric (100% Polyester); Filling Material: Bonnell Springs, Foam, Insulation Layer; Dimensions: 90 x 190 x 21 cm (W x L x H); Firmness: Medium; Quilted pattern.