Personalized Custom Embroidered Dog Collars Perfect ID if your dog gets lost. Please use the Gift Message area or Amazon message center immediately to give us details for your order. We will need (1) PET'S FIRST NAME, (2) PHONE NUMBER to embroidery if you want it on there. 25 character limit for embroidery: this includes LETTERS, NUMBERS, SPACES, DASHES and any SPECIAL CHARACTERS 1 thread color only per collar. Thread colors to choose from are: Black, White, Red, Royal Blue, Light Baby Blue, Orange, Golden Yellow, Purple, Dark Green, Bright Green, Brown Sizes are as follows: 6"-10" neck (3/8" wide), 10"-16" neck (5/8" wide), 14"-20" neck (3/4" wide) and 18"-26" neck (1" wide).