Breathable and Resilient The seat cushion is made of breathable polyester material, which can keep comfortable and breathable for a long time use. Color fastness time can exceed 2000 hours. Thickness steel pole & Electroplating hook The thickened support tube is made of electrophoretic painted steel, which is not easy to rust and is sufficient to ensure long-term use. Stable stand suport UP to 350LBS The stable triangular area provides a very stable support for the bracket, which is very stable to ensure the safety during use and provides a high-quality product.