These buckles are great for repairing multiple backpacks and making handling straps. It is suitable for straps, webbing, belt, crafting, backpack repair, sewing projects, etc. They are good for securing different materials together.

Specification 
Material: Plastic
Webbing Width: 20mm/ 0.79-inch
Overall Length: 49mm x 25mm/ 1.93-inch x 0.98-inch (L*W)
Packing List: 16 x Quick Side Release Buckles

Advantage
The plastic buckles are made of polyoxymethylene (POM). Multi-purpose and strong though for long-time use. Clean edges, slightly beveled on some edges, and have a nice locked-in sound when closed.

Instruction
These buckles adjust at both ends and are strong and easy to lock. They are easy to release and hold strong as well. Very easy to use and operate. You are able to easily put them on the straps and stitched the straps to hold the one edge of the buckle.

NOTE: If your strap is super wide, please measure your strap size to confirm whether this strap is suitable for your goggle.