Specification:100% Brand new and high quality.Material: High quality ABSColor: White, Gray , BlackSize: As shownConversion: 1cm=0.39inch, 1inch=2.54cmFeature:1. Use high quality ABS, Better than others. thickened and elongated, strong in quality and durable. anti-oxidation, wear-resistant and durable. 2. High and Low temperature resistant, Solid and never be out of shape.3. Longer lifespan and more durable. more than 50,000+ hours.4. Tested before selling, all the products are professionally designed, assembled and tested by our R?D depart.5. Perfect for home or dorm room, Creates instant under bed storage space.6. Stronger enough, Safely Support a Total of up to 100kg! Won't Scratch or Dent Hardwood Floors.7. Height adjustment, Adjustable Bed Riser System Instantly Creates Additional Under Bed Storage.8. Non-slip silicone & Safety, it won't move easily and safe enough.9. Easy to install, No Drilling, Stick and Play, Just adjust the position without punching.Package included: 2/4PCS X Bed Furniture Risers Heightening Heightening Pads