The dumbbell charm is made of painted zinc alloy, offering a solid weight and metallic feel. The connecting rope is crafted from braided nylon cordfor high tensile strength and durability. The clip is a black oxide-finished stainless steel carabinerthat is corrosion-resistant and provides a secure snap-shut closure. It is primarily used as a keychain for gym locker keys, or attached to bags, fitness equipment cases, and water bottles for easy carrying and quick identification. It is ideal for gym-goers, fitness trainers, athletes, and sports enthusiasts in settings like fitness centers, yoga studios, outdoor training areas, and during sports events.