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 coils 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 positions. Additionally, the mattress effectively absorbs sounds and vibrations caused by tossing and turning, ensuring a quiet and undisturbed sleep. The spring 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 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: 140 x 190 x 18 cm (W x L x H); Firmness: Medium.