• 3/8" wide collars, use the mini size
• 1/2" wide collars, use the mini size
• 5/8" wide collars, size small
• 3/4" wide collars, size medium
• 1" wide collars, size large

The collar pictured in these images is a Lupine pattern that was a Lupine Lab pattern. I received one collar in it as a sample and rather than list it on my site with the other samples I chose to keep it for Maggy. There isn't any webbing in it to make any more pieces.
Front of Collar

Back of Collar

Pinch collar in half to push webbing through arms

This CollarTag design will work on any single-ply nylon webbing, including martingale collars or harnesses.

Order MiniAdjustable CollarTags™ here

Note on size selection:
Choose the width of the tag to match your pet's collar width.