Durable and reliable plastic construction quality plastic with a firm structure that is UV resistant, rustproof, agingresistant, and smooth to the touch for longlasting use. Not easy to break. 360degree flexible rotation for easy use The rotary hook rotates a full 360 degrees for convenient fastening and quick access. Easy to operate with one hand and simple to store keys. Thoughtful design for quick connections Rotary buckle includes a metal ring and a bolt snap hook. Press the side button to quickly connect or disconnect to any belt, belt loop, or ring. Versatile applications Ideal for DIY crafts or hanging ornaments. Also suitable for organizing keys and small items on belts, belt loops, or bags. Package contents 8 plastic spring rotary buckles, providing enough quantity to meet daily needs. Use scenarios Clip to a belt or bag for fast, onehanded access to keys during daily activities. Include in DIY craft projects to create custom keychains or decorative hanging ornaments.