Buckle Down Boys Seatbelt Belt The Big Bang Theory Wbbt031 100% Polyester Made in US Hand Wash Our Seatbelt belts are 1.5 inch wide and are infinitely adjustable for pant sizes 24 to 38. 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. These belts are made from high quality polyester 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. This product is Officially Licensed by The Big Bang Theory.