High Quality Material: Made of nylon + elastic rope, this tow rope has strong tenacity and can be pulled 600% of the normal size. This cord is wrapped with super strong webbing, so it's not easy to break. Safe Design: Comes with a lock, this friction-based instant release system accessory makes cycling easier. We also provide a 5mm/0.2 inch (approx.) elastic parachute cord that can be attached to the bike pole or stretched around the pole. Easy to use: This tow rope is designed for mountain bikes. The parent saddle only takes 2 steps and connects to the kids bike on the stem for quick use. Suitable for kids and adults: load weight up to 500 lbs / 225 kg, our bike tow rope is flexible enough to be strong, stretchy and shock absorbent for comfortable uphill towing while riding. A perfect choice for the family ride. Practical tow rope: With this tow rope you can tow your child's bike behind you in any situation. Won't hang or get caught in the wheels.