Buckle-Down Seatbelt Belt. These belts are made from high quality Polypropylene and chrome-plated steel components making them some of the most durable accessories on the market. Belts are made with authentic automotive style seatbelt buckles making them easy to open and close at the push of a button. Buckle-Down's Trademarked Seatbelt Buckle Fashion Belts are Handcrafted in the USA and are NOT meant to be used as a safety device for a vehicle.