1. Bed Frame: Imported North American White Maple

2. Tracks: 2.5mm Aluminum Alloy Tracks

3. Springs: 16 Imported Musical Steel Springs4. Pulleys:

4 Imported Silent Pulleys + Human-Based Bearings

5. Tower: Aluminum Alloy

6. Leather: 1.3mm Microfiber Leather

7. Foam: High-density Sports Foam/EVA

8. Accessory Set (4-Piece Box, Kick Plate, Footrest, Adapter Plate)