P.Y.T. Pet 15 Colors Personalized Dog Collars, Custom Embroidered with Pet Name and Phone Number- Light Green Collar Size:Medium-3/4" wide 13.5-20" long (2cm wide 34-51cm long) v=qYS62eTVze0On How to Measure for

v=qYS62eTVze0On How to Measure for a Martingale Dog Collar

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-Collar size

If you choose a dark collar then go with a light-colored thread

P.Y.T. Pet 15 Colors Personalized Dog Collars, Custom Embroidered with Pet Name and Phone Number- Light Green Collar Size:Medium-3/4" wide 13.5-20" long (2cm wide 34-51cm long) v=qYS62eTVze0On How to Measure forMade of high quality polyester webbing, a chrome coated D ring for tag and leash attachment, and a secure plastic side release buckle for easy quick release. The webbing has smooth, matte surface with a comfortable fit. 15 Collar Colors And 10 Embroidery Thread Color Options. See pictures for all your options. For threads it is best to use a contrasting color against the webbing color. If you choose a dark collar then go with a light colored thread.