Use high quality ABS, others. thickened and elongated, strong in quality and durable. anti-oxidation, wear-resistant and durable. High and Low temperature resistant, Solid and never be out of shape. lifespan and more durable. more than 50,000+ hours. Perfect or dorm room, Creates instant under bed storage space. Stronger enough, Safely Support a of up to 100kg! ' Scratch or Dent Hardwood Floors. Height adjustment, Adjustable Bed Riser System Instantly Creates Additional Under Bed Storage. Non-slip silicone & Safety, it ' move easily and safe enough. Easy to install, No Drilling, Stick and Play, Just adjust the position without punching. Specifications: Life Time: 50000+ Hours Colour: Black Material: ABS Size: 50x50x40mm, heightened range 40-65mm Package Contents: 4 x Bed Furniture Risers Heightening Pads Only the above package content, other products are not included. Note: Light reflection and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm. Stronger enough, Safely Support a Total of up to 100kg! 't Scratch or Dent Hardwood Floors. Longer lifespan and more . more than 50,000+ hours. Perfect for home or dorm room, Creates instant under bed storage space. High and Low temperature , Solid and never be out of shape. Use high quality ABS, others. thickened and elongated, strong in quality and . , wear- and .