All collars will be made with the Medium Size Prong (2.3mm). If you would like the Large Prong (3.2mm), please note in the “Order Notes” section during Check Out. There is No additional charge for the Large Prongs.
For the Best Fit, List your dogs neck size in the Notes section of the order at check-out.
The large prongs are recommended for Dogs with Thick Fur and/or Long Coats