Product Quality: LilFe hooks are made of high-grade metal which makes them more durable & capable of handling massive bags. Surface of the metal clip is soft, protected with galvanized coating & curved edges which doesnt cause cut or damage to your skin. Flawless Fitness: Straps on our stroller hooks for hanging are manufactured from nylon which will last for years to come. They are adjustable & designed to give an ideal fit on any sized handle. It will be a blessing for prams with no space or storage basket. Multi-Functional & Versatile: LilFe diaper bag stroller straps arent limited to just baby carriages, it can easily be attached to wheelchairs, walkers, scooters, so you can hang your bags without having to carry them yourself.