A 1.5 inch wide martingale collar with or without a buckle. Buckles are able to be laser engraved with personalized ID information. Loop martingale or chain martingales available. Stainless chain martingale option available. 

Martingales can have more than 1 color, with the 1st color being the back part of the collar and the 2nd color as the loop color. Or you can do all one color for both.