Stylish Clear Acrylic SeatThis clear office desk chair is made of high-quality PET material of high toughness, which is not easy to crack and holds up to 330lbs. Meanwhile, the smooth PET surface is stain-resistant and easy to clean, just wipe it with a damp cloth. Ergonomic Back Reduces FatigueThe armless leisure chair is designed with your comfort in mind. Its molded acrylic seat can fit the body curve, giving strong support to waist and back, and keeping you away from spine fatigue and back pain even sitting for long time.