Polyurethane

[Ergonomic Design] KERDOM ergonomic office chair use a unique arc-shaped backrest to fit the natural curve of the back, keeping you free from back pain.The seat height and armrests can be adjusted according to your feeling to meet daily needs. [Breathable & Comfortable] Mesh backrest and cushion facilitate the circulation of cool air and avoid stuffiness. High-quality mesh resists abrasion and deformation, providing you with a more comfortable sitting experience. [Space Saving] The sponge armrests can be flip up to 90°, flip the armrest up and put the chair under the table to save space.The home office chair is suitable for any space: bedroom, study room, living room, or gaming room.