ERGONOMIC OFFICE CHAIR: Ergonomic backrest perfectly fits the curve of your back, reducing your back pressure and pain. High-quality wear-resistant mesh fabric keeps air circulation to avoid sweating and sticking. The widened seat is filled with high-density rebound foam, which will not sink with long-term use. The waterfall edge design will relax your thighs greatly! MULTI-FUNCTION DESIGNS: The 90 -120-DEGREE ROCKING design meets your different sitting positions, and ADJUSTABLE HEIGHT design to meet the sitting needs of people of different heights. 360-DEGREE ROTATION design allows you to adjust your position anytime and anywhere. The mesh office chair to make your work and play more comfortable. PADDED FLIP-UP ARMRESTS: The office chair flip up arms are covered with wider, breathable padding to provide the ultimate forearm and elbow comfort. Pulling up the armrests makes it easier to push the home office desk chairs fully under the table to maximize space. Suitable for office, living room, study room, meeting room, etc. PREMIUM MATERIALS: The home office chair has a reliable HEIGHT-ADJUSTABLE gas lift and a 5-star METAL BASE that can withstand up to 250 pounds. Its 360 ROTATING CASTERS run smoothly and won't damage floors or carpets, making it suitable for most office floors. EASY TO SET UP: Computer desk chair comes with all hardware necessary tools. Follow the chair instructions and you can assemble it in just fifteen minutes and then enjoy and admire it! You will feel ultimate comfort in this ergonomic desk chair. Item shape: Rectangular