1. Bed Frame: White Maple imported from North America

2. Rails: Thickened aluminum alloy rails (3.0mm) *2

3. Springs: Musical steel springs imported from Germany *6

4. Pulleys: Imported silent pulleys with brand-name bearings *4

5. Leather: 1.3mm microfiber leather

6. Foam: High-density sports foam/EVA

7. Accessory set  (3-piece box, kickboard, and footrest)