Comfortable to Do and Lie Down:5-speed backrest adjustment allows for various lying positions.The head of the bed has multiple tilt angles to meet different needs, such as reading or napping.Scientific Layering Ratio:The integrated mattress of this portable folding bed features thickened, encrypted sponge for pressure relief and hardwood board support. It balances firmness and comfort, making it ideal for naps.Skin-friendly Cotton and Linen Soft Lining:The thick cotton linen texture is breathable, refreshing, stain-resistant, and wear-resistant, offering warmth and breathability.Name: Sponge Bifold BedMaterial: steel frame, sponge, cotton and linenColor: Blue , Brown , GraySize: 74*11*25.6/29.5/33.4/35.4/43.3in (188*65*28cm)