1. Backrest with lumbar support design, dynamically conforming to the sitting posture for adaptive lumbar support.
2. Ergonomic design, with an S-shape formed by the concave surface that wraps around the buttocks and the convex surface that supports the lumbar back.
3. The base has two reinforcing ribs for greater stability, load-bearing capacity, and enhanced comfort when rocking back.
4. Four-way adjustable backrest design, suitable for different heights and body types.
5. The foam padding and support plastic parts are secured with buttons and can be disassembled.
6. Large, thickened foam provides superior support, suitable for people weighing up to 300 catties.
7. Product has a design patent, product testing, and ergonomic certification.
Material: Plastic Parts: Polypropylene
Product Model: ZK25A
Filling: Polyurethane
Fabric: 95% Polyester + 5% Spandex
Product Dimensions: 40*42*42cm
Net Weight: 1.85kg, Gross Weight: 1.95kg
Carton Dimensions: 43*43*43cm, 3 pieces/carton
