1. Finish: The front leather is a 1.2-1.4mm thick genuine leather fabric, and the rear leather is a 1.0mm thick synthetic leather.
2. Cotton: The backrests are all formed with 55-density cotton.
3. The thickness of the backboard is E1 12MM high-quality and strong wood board, and the outer backboard is PP felt leather. The seat board is 12MM thick, and the bottom shell is made of PP material.
4. The armrests are made of aluminum alloy and PP felt leather.
5. Line control chassis (can be locked in 4 segments). 350 aluminum alloy feet). New B4 electroplated wheels. 65 sets of 40 electroplated air rods.