Dumbbell bench exterior of the support frame is made of hard engineering plastic, which has high solidity resistance and good wear resistance; it can effectively avoid direct collision and damage of the barbell bar and the barbell, and the interior is made of metal to ensure the hardness. We adopt a height-adjustable design for the seat cushion to meet the individual needs of different fitness groups. Main frame structure of the barbell is made of 3MM thickened steel, and the surface is painted, which is smooth and delicate, and the connection is stable, which effectively increases the stability of the barbell frame. Foot rubber anti-skid pad is made of high-quality rubber, thickened design, good anti-skid, wear-resistant and corrosion-resistant, and can protect your floor from scratches no matter where you are.