This rolling office chair features a high-density foam cushion and backrest for comfort and resilience, covered in PU leather with a vertical pattern that promotes air circulation, preventing stuffiness and sweat. Designed for small spaces, it offers a low back for flexibility. The chair is sturdy and durable, with a padded foam cushion, U-shaped lumbar support, and a load capacity of 250lbs. It is BIFMA certified and has undergone over 10,000 factory tests for safety. The chair is height adjustable (17.71"-21.45") for various desk heights and features 360° swivel movement with smooth, quiet casters that protect the floor. PREMIUM MATERIALS - This small office chair without an armrest is constructed with top-notch materials to guarantee maximum comfort and longevity. It features a high-density, thickened sponge cushion (2.5 inches), that provides exceptional comfort and resilience. The chair is upholstered with high-quality PU leather, ensuring both waterproof protection and breathability through its twill design. SPACE SAVING DESIGN - This small armless office chair is designed with space-saving features in mind. The height-adjustable dimensions (24.21"(L) x 16.33"(W) x 34.25"(H)) ensure that it will fit perfectly into any office or workspace. Additionally, the armless design makes it easy to store it under your desk when not in use, maximizing the available space in your office area. ENHANCED ERGONOMICS - This armless office chair is ergonomically designed for optimal comfort and support. The backrest is specially designed with padded foam to provide excellent lumbar support that is not only comfortable but also soft to the touch. Its backrest is made of high-quality U-shaped metal material, ensuring greater stability and durability. STURDY AND DURABLE - This 360° swivel task chair is built to withstand long hours of use, featuring a high-quality metal base and upgraded SGS-certified cylinders for durability and reliability. This computer desk chair has been rigorously tested over 10,000 times and is BIFMA-certified. With a maximum weight capacity of 250 pounds, this chair is solid and reliable to ensure maximum comfort and safety. HASSLE-FREE ASSEMBLY - All the necessary accessories are included in the package, ensuring a seamless assembly experience. Simply follow the easy-to-understand instructions consisting of just 6 steps, and you'll have your chair ready to use in no time. With an estimated installation time of just 10 minutes, you can enjoy the convenience of a fully assembled chair.