1.Durable & Comfortable PU Leather Crafted from quality, waterproof and stain-resistant PU leather that resists cracking and is easy to clean. Generous high-density foam cushioning provides all-day comfort and a sleek, natural look. 2. Ergonomic High-Back Support Adjust the 5.1-inch height and 360° swivel to find your perfect position. The curved, padded backrest offers built-in lumbar support to ease back strain and promote comfortable sitting. 3. Space-Saving Flip-Up Armrests Features 90° flip-up armrests that easily tuck under your desk when not in use, freeing up over 1.2㎡ of floor space—perfect for compact home offices or gaming setups. 4. Stable & Quiet on Any Floor Rolls smoothly and quietly on durable rubber wheels that protect hardwood, tile, and other flooring. Supported by an SGS-certified Class 3 gas lift with a 275 lb weight capacity, ideal for most users. 5. Easy Rocking & Quick Assembly Kick back with a gentle rocking motion by pulling the handle; push it back to lock in place. The chair arrives with clear instructions and a helpful video—you can set it up in about 15 minutes. Responsive customer support is always available if needed.