Drafting Chair: Tall Standing Office Desk Chair With, Breathable Mesh. 1??Tall Chair with Adjustable Footrest - Feature a height adjustable footrest ring, this desk chair is ideal for drafting desks, standing desks, and provides support to relax your legs. It can also be used for regular desks and the seat height can be adjusted from 25.79 inches to 34.25 inches to meet your different needs. Armrest design allows you to rest comfortably. 2??Ergonomic Drafting Office Chair ? This drafting chair is designed according to ergonomic theory to provide maximum sitting comfort. The curve of the lumbar support better fits your back line, relieving fatigue caused by long hours sitting and helping you to maintain better posture. 3??Adjustable Height and Swivel Chairs - The handle under the seat can adjust the seat height, suitable for adults and teenagers. The angle of the seat back can be tilted back to 120 by rotating the button to change the sitting position. The adjustment function can meet the needs of different sitting postures and improve the office experience. 4??High Quality Materials - The office gaming chair is padded with high quality foam, which is soft and comfortable, and will not get tired after sitting for a long time. Rugged nylon base with 360 swivel pulleys can hold up to 275 lbs for increased office flexibility. 5??Easy to Assemble - The executive office chair is equipped with all the accessories, installation tools and instructions to make the installation more convenient and can be installed within 20 minutes. We have also uploaded the installation video on the product page for your reference.