POM DUAL-SIDE ADJUSTABLE,NO SEWINGYou can adjust the strap on both sides. The regular quick side release buckles require you to sew one of them in place, no sewing is needed the buckle has two slots to feed the strap through. SIZEPlastic buckle width 1 inch, fit the 1-inch wide strap Webbing. length of Buckles:2.7”, external wide:1.3”,thickness:0.5” inner diameter of 1 inch. the buckle only suitable for 1 inch straps and 1 inch Tri Glide Slides HEAVY DUTY Strong Tensile Strength Holds Up to 150 lbs. Military Grade. Reliable and Durable.The shape of the product is designed to be slightly larger than a normal small flat backpack buckle MULTI-FONCTION quick release buckles for nylon webbing straps,Great for replacing the piece on the backpackfanny Pack straps belt dog collars. they can replace the waist strap buckle on a hiking backpack baby carrier MATERIAPolypropylene side release buckles feature good flexibility and strong pulling, thicker and durable than standard bucklesHeavy duty buckles are easy to install and adjust Warm Tips: The outer diameter of this buckle is relatively larger than other 1-inch buckles because it is thicker and more sturdy. Please measure if your project is 1 inch. Our product is only suitable for 1-inch projects. If you have any questions, please contact us and we will promptly resolve them