These quick release buckles work with 3/8" webbing or straps and are great for paracord bracelets, should you choose to make your own designs and styles. Buckles are an important part of any project using nylon, cotton, polypropylene webbings and can also be used for collars, belts, harnesses, backpacks, etc. Side release buckles are the best choice of webbing buckles because of easy & quick one-handed release and no accidental release. The smooth design of the plastic side release buckles disguise its strength and durability. Buckles are sized by the size of the webbing or straps they are meant to be used with.