Features1. Retractable Tow Strap: This strap allows you to tow your child on their own bike while allowing them to steer and balance themselves. The strap is flexible and can be extended or retracted while riding, allowing you to ride over bumps or puddles with ease.2. Safe and Convenient: This bike tow strap has a solid round elastic end with a double hook that attaches behind the seat post and under the seat, providing a durable and convenient way to use it.3. Easy Tow: This bike tow strap allows you to tow your kids to the top of the hill with a few tubes and ropes, providing an easy towing solution for parent-child rides.4. Relaxing and Stable Towing: This bike tow strap keeps the distance between two bikes within 2.50m for a relaxed and stable traction. Once the elastic is stretched, you and your kids can enjoy a comfortable towing experience.5. Lightweight and Convenient: The bike tow strap is so convenient and light that you can carry it with you conveniently. It can be put in a large bag or backpack.SpecificationMaterial: NylonColor: BlackSize: 2.5mWeight: 335 gPackage Include:1x Bicycle Tow Rope