The DUMOS armless office chair features a breathable mesh back and a Y-shaped backrest designed to support the spine and protect the lumbar area during long work sessions. Its space-saving armless design allows for greater freedom of movement and fits easily into small offices or home workspaces.This ergonomic chair includes adjustable seat height, smooth-rolling casters for hard floors, and a cushioned foam seat with a removable cover for easy cleaning. It supports up to 250 lbs and comes with all necessary tools and instructions for simple assembly. Key Features Brand DUMOS Model Number C-2077-BK Color New Black Material Metal frame, mesh back, foam seat Upholstery Fabric Type Mesh Seat Material Type Foam Frame Material Type Metal Overall Height 29.52 - 34.25 inches Seat Height 15.94 - 20.67 inches Seat Size 16.54 x 16.34 x 2.56 inches Seat Depth 16.34 inches Back Height 13.58 inches Back Width 14.76 inches Item Dimensions (D x W x H) 16.33 x 16.54 x 34.25 inches Item Weight 11.9 lbs Maximum Weight Recommendation 250 lbs Arm Style Armless Furniture Base Movement Swivel Surface Recommendation Hard Floor Included Components 1 office chair, 1 set of assembling tools, 1 user manual Assembly Required Yes Highlights ✓ 【Armless Design】The desk chair is designed with no armrests, which saves space and is more suitable for placing in a small office. It also allows users to stretch their bodies more freely in the office without causing discomfort due to the limitation of the sitting posture of the armrests. ✓ 【Breathable Mesh Back】The back of the computer chair is made of mesh, which is breathable, and you won't feel stuffy even if you sit on the chair for a long time. At the same time, the cushion cover can be removed, which is more convenient for cleaning and maintenance. ✓ 【High-quality Load-bearing】The gas lift of the small computer chair has a load-bearing capacity of 250 pounds, which can support the weight of ordinary office workers and is more stable and durable. ✓ 【Y-shaped Backrest Ergonomics】The back of the armless office chair adopts a Y-shaped design, which can better support the human spine and protect the lumbar spine, making users feel more comfortable when working for a long time. ✓ 【Simple Installation】The installation of the rolling office chair is very simple, just follow the steps in the instruction manual to complete the installation easily. What's in the box ✓ 1 Office chair ✓ 1 Set of assembling tools ✓ 1 User manual Frequently asked questions .pu-faq[open]>summary .pu-faq-c{transform:rotate(180deg)} What is the weight capacity of this chair?The chair supports up to 250 lbs. Is the cushion cover removable for cleaning?Yes, the cushion cover is removable for easy cleaning. What type of floor is this chair suitable for?It is recommended for use on hard floors. Does the chair require assembly?Yes, assembly is required. All necessary tools and instructions are included.