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 coloured 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