1. Fabric: Made of high-quality imported waterproof seat cloth, H series encrypted mesh fabric, With good anti-wear and anti-fouling properties 2. Accessory materials: 55# high-density shaped sponge is used, Which will not deform after 5 years of normal use. It can prevent oxidation and shattering. 3. Tripod: Black or electroplated (30*15) square tube frame, Tube wall 1.5 thick