Designed for spacious home office seating, this SUGIFT big and tall desk chair features a wide seat with high-density sponge padding and wipe-clean PVC faux leather upholstery. The contoured backrest includes a built-in lumbar curve for comfortable support during extended work sessions. Use the lockable rocking function to hold the backrest steady while typing or allow it to tilt during breaks. A gas lift adjusts the seat height from 46 to 49.5 inches, while the seat swivels 360 degrees. The 5-claw metal base and rolling casters provide a stable foundation. Assembly is required. Maximum weight capacity is 350 lb for the black chair. Overall dimensions are 28.5 x 29.5 x 46-49.5 inches, L x W x H. Assembly required. Wipe clean with a suitable cloth. Features a gas lift, lockable rocking backrest, 360-degree swivel seat, padded arms, and a 5-claw metal base with rolling casters. Black model dimensions are 28.5 x 29.5 x 46-49.5 inches, L x W x H, with a 350-lb maximum weight capacity.