The shell of this product is made of one-piece hardened plastic material, and the overall waterproof design, the overall waterproof, wipe it out. And to a certain extent, it can greatly save space. The armless design allows you to put the chair under the table at any time, saving about 1 square meter of space. Regarding the seat cushion, the thickened foam seat cushion is full of filling. The seat cushion is made of thickened foam, which does not spring back and deforms, and the rounded corners are designed to fit comfortably. It prevents accidental bumps at all times. The seat surface wraps the entire buttocks and fits the curve of the body. It is effective Relieve systemic stress. The chair uses smooth rolling casters , and 360° horizontal rotation without resistance, quiet and won’t hurt the floor.