YKK’s 1 inch flat dual adjustable plastic buckles can be a key component in any project using 1 inch webbing. These buckles can be adjusted on both sides of the side release buckle. Side release buckles feature an easy, one handed release design that avoids accidental release.. The smooth design of plastic side release buckles disguises their strength and durability. of the product for their use. These YKK buckles can be used for various projects such as: (Backpacks) (Purses) (Collars) (Bracelets) (Belts)…and numerous other applications or uses.