Safety Flag with Reflective Stripe: you will receive 1 piece of safety flags, 5 fiberglass poles; ideal for low children's bicycles and electric cars, maximum height of about 4 feet, different flagpoles can be adjusted to varying sizes as needed. Heavy Duty Flag Pole: With heavy duty fiberglass pole, the flag can become strong enough against strong wind, tree branches, advertising board and other possible impact, also easy to install.so you can use them randomly even on rainy days. Tear-resistant and Waterproof Flags: All flags in the package are polyester, printed in full color, not easily torn, waterproof, and easy to clean. Bright yellow reflective strips of the flag to improve visibility and warning, making your children more visible when riding. Tear-resistant and Waterproof Flags: All flags in the package are polyester, printed in full color, not easily torn, waterproof, and easy to clean. Bright yellow reflective strips of the flag to improve visibility and warning, making your children more visible when riding. Widely Used: High flags provide a safe view for young and old and can work on different types of bikes, bike trailers, or any other outdoor recreational vehicles, such as submarines and outdoor tents.