This STARSPACE ergonomic designed high back mesh office chair features a sliceable headrest, comfort is customized to the user entirely, fitting the neck curve perfectly, making it great for relaxing during your busy working days. Color: Black. Features: Mesh Back Support - breathable fabric provides a cooler sitting experience; Adjustable Seat Height - high-quality gas lift cylinder lets you freely adjust the seat height you like; Rocking Back and Forth - this function helps you relax during or after every task in the office; Adjustable Tilt Tension - you can adjust the swing tension back and forth by turning the knob under the seat; Padded Seat - thick padded seat offers extra comforts when you're indulging in work; High-Back Height Backrest - a high-back design with an adjustable headrest pillow provides your whole back well; Adjustable Armrests - help to find the armrest height that suits you most; 360 Degrees Swivel Base - more flexible and convenient in the office, hols up to 250lb. Materials: Mesh, High-density Foam. Dimensions: 25"W x 25"D x 45.6-50.0"H. Weight Capacity: no more than 250 lbs.