Dear user, hello, welcome to, YXYECEIPENO, store,Thank you very much for your support, YXYECEIPENO, dedicated to the most perfect clothing, to provide you with the best service. If you have any questions, you can send us an email, and we will reply within 24 hours to help you solve the problem. A good dayproduct detailsMotorcycle vest with airbagColor: black, fluorescent greenSize: S, M, L, XL, 2XL, 3XL1 airbag device, 1 lanyard, 1 back guardThe waist elastic cord can be adjusted for multiple highlight reflectionsReusable, just replace the special compressed CO2 gas cylinderMaterial: The surface is made of 600D thick dense canvas, wear-resistant and tear-resistant materialNot equipped with CO2 gas cylinders (the cylinder diameter is one-half inch rebar diameter, and the capacity is 33CC or 26g. Due to customs issues, CO2 gas cylinders may not be issued, so CO2 gas cylinders are not equipped)Suitable for outdoor motorcycles, bicycle riding, high-speed driving, leisure mountain running, long-distance motorcycle travelHorse riding and other sports, for men and women to protect your safetypackageMotorcycle vest with airbag*1