Features PRACTICAL FUNCTION: These wash plug are specially designed to keep water and moisture and foreign objects from entering exhaust tube, preventing humidity from entering the pipe as it cools down and condensation. PREMIUM RUBBER MATERIAL: These exhaust wash plug are made of high quality thickened rubber, fitting well into the exhaust port, keeping away from water, dirt and rodents when washing or storing your motorcycle. WASH PLUG Fit (0.6" - 1.5") Please measure your exhaust port to ensure this will fit. REMINDING STREAMERS DESIGN: These wash plugs are binding with durable red streamer, it will remind you to remove wash plug before you start. Customer Satisfaction If you have anything concerned with the item, please first to choose contact us and we will take care of it for you.here is how Find your order in your amazon account, click the " contact seller" button beside the order ID.