Convenient Automatic Open & Close Function for Quick Opening & Closing, High-quality Windproof Plus System for Maximum Frame Flexibility in Strong Gusts of Wind, Flexible Fibreglass Ribs, Overlapping Ventilation Cover to Regulate Excess Pressure From Strong Gusts of Wind, Water-saving Polyester Pongee Watersave® Cover Material Made From Recycled Plastics & with Fashionable Reflective Piping in Silver, with Watersave® Label on the Closing Strap, Handle Made From Recycled Abs with Integrated Push-button & Promotional Re Labelling Option, Comfortable Sleeve with High-quality Zip, Hospitable Large Diameter Minimum Quantity: 10