Upgrade your workspace comfort with this ergonomic computer desk chair designed for daily work, study, and home office setups. The S-shaped backrest is built to follow natural body alignment, with integrated lumbar support to encourage a more supported sitting position. A breathable mesh back promotes airflow, while the padded sponge seat helps provide comfortable cushioning for longer sessions. Flip-up armrests rotate 90degree(s) so the chair can slide under most desks to help save space. Seat height adjusts from 18"" to 21"", and the chair offers 360degree(s) swivel plus a 90degree(s)-110degree(s) rocking range to support easy movement throughout the day. Finished with smooth-rolling casters and a sturdy five-star base, it supports up to 330 lbs. Overall size: 25"" x 25"" x 36""-39"".