1. Bed Frame: Thickened Aluminum Alloy

2. Springs: Imported Musical Steel Springs *16

3. Imported Silent Pulleys + Brand-Name Bearings *4

4. Tower: 3mm 304 Stainless Steel

5. Leather: 1.3mm Microfiber Leather

6. Foam: High-density Sports Foam/EVA

7. Standard Package: Four-piece Set  (Box, Kick Plate, Footrest, Adapter Plate)