One-Pull Auto Open: Gas-spring assisted design opens smoothly with onepull. More Stable Ribs: 26% wider rib overall, designed to reduce wind wobbleamplitude by up to 20%. Thicker Aluminum Pole: 25% wider diameter with a rust-resistant finish foradded rigidity. 240gsm Yarn-Dyed Fabric: The 33% heavier, thicker PU-coated fabric withlong-lasting color that lasts up to 2 years, helping reduce shine-through,offering wear-resistant durability.