Dual-side Adjustable,NO Sewing:You 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 with these!Because both the male and female side of the buckle has two slot to feed the strap through.

These buckles are upgrades,better than normal 1" buckles: Extra thick strong,extra long,fit thicker strap.

Multi-fonction:Perfect quick release buckles for nylon webbing straps,for putting new clips on boat cover.Great for replacing the piece on the backpack and fanny Pack straps,belt dog collars and boat cover.Good locking buckles for fixing a broken buckle.Also they can replace the waist strap buckle on a hiking backpack baby carrier.Stronger than the original!

Heavy-duty:Strong plastic,stays clipped under all reasonable loads.Strong clasp rated at 66lbs.No slipping with either standard weight or heavy duty webbing. Hold tension well.

SIZE:Fit the 1 inch wide strap.Buckle itself's length:3"(extra long),wide:1.3",thickness:0.5".Side release buckles are great for webbing buckles,easy one-handed release and no accidental release.