HIGH QUALITY MATERIAL: Made of nylon + elastic cord, this tow rope features strong toughness and can be pulled up to 600% of normal size. This cord is wrapped in a super strong strap, so it is not easy to break. Safe Design: Comes with a lock, this low friction snap release system accessory makes cycling easier. We also provide a 5mm / 0.2 inch (approx) elastic parachute cord which can be attached to the pole of the bike. or stretched around the post. Easy to use: this towing cable is designed for mountain bikes. The parent saddle takes just 2 steps and connects to the kids bike on the stem for quick use. Suitable for Children and Adults: Load weight up to 500 lbs / 225 kg, our bicycle tow rope is flexible enough to be strong, stretchable and shock absorbing for comfortable towing uphill while riding. A choice perfect for the family outing. Convenient tow rope: With this tow rope you can pull your child''s bike behind you in any situation. Won''t hang down or get caught in the wheels.