material: plastic. Color: Black + Red. Dimensions: (2.76 x 0.87 x 0.55)"" / (7 x 2.2 x 1.4) cm approx. Delivery Quantity: 2 Pieces Scope of Supply: 2 X Release Buckles 1. 3 Motorcycle Helmet Clips: The set contains 2 motorcycle helmet buckles in total, which can meet your daily needs and are easy to replace. They are indispensable accessories for motorcycle helmets. Nylon and Plastic Material: The helmet buckle is made of high quality plastic and nylon material for maximum strength and durability, not easy to break, ensuring a long service life. Adjustable Design: The motorcycle quick release buckle adopts an adjustable design. You can adjust them to different sizes according to your needs to suit the needs of different people and will fit most people. Easy installation: The motorcycle helmet buckle with chin buckle is designed in two parts. It is easy to install on the helmet and can be installed in seconds without special tools. It is very convenient and quick to use. Easy to use: motorcycle helmets have quick-lock and quick-release properties. She can securely attach and detach the helmet while driving to keep you safe.