1-inch Internal Width Buckle: Plastic buckle inner width 1 inch, fit the 1-inch wide strap Webbing. length of Buckles:2.7, external wide:1.3,thickness:0.5. buckle is suitable for 1-inch wide webbing use, please check the width of the webbing before purchase, any strap width less than an inch or more will not fit the buttonDual-side Adjustable, NO Sewing: The buckle has two slots to feed the strap through, you can adjust the strap on both sides, there is no need to sew the ribbon with a needle and thread, The regular quick side release buckles require you to sew one of them in place.POM Material: Strong toughness plastic, The buckle is made of high-quality polyoxymethylene (POM). Hard strong side release buckles make your DIY stuff perfect and strong. Heavy-duty buckles are easy to install and adjust, with a smooth quick-release mechanism, make the webbing slide in and out of the ends with ease. the male and female buckles of the buckles produced by different manufacturers are not the same, please do not take them apart and mix them with other manufacturers' bucklesMulti-function: Perfect quick-release buckles for 1-inch nylon webbing straps, for putting new clips.Great for replacing the piece on the backpack and fanny Pack straps and belt dog collars.Good locking buckles for fixing a broken buckle. Also, they can replace the waist strap buckle on a hiking backpack baby carrier.