Paracord Planet Buckles are made out of durable plastic for long lasting use when securing objects. The 1/2-inch webbing size of the contoured single bar buckles and the economy side release double bar buckles work well with a variety of cording including straps, paracord, string, and fabrics like ribbon. Easily add them onto your bracelets, necklaces, or pet collars as a fastener and with multiple colors to choose from you can better match your project or craft. They are also great for repairing items or replacing other buckles and fasteners as well as creating amazing storage solutions either around your home, garage, or in outdoor situations. Attach them onto backpacks, shoes, jackets, luggage, etc. to secure items during camping, hunting, hiking, or other outdoor trips and while going to school or on vacation.