Convenient automatic open/close function for quick opening and 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 and with fashionable reflective piping in silver, with waterSAVE® label on the closing strap, handle made from recycled ABS with integrated push-button and promotional labelling option, comfortable sleeve with high-quality zip, hospitable large diameter