Embroidered items are unavailable until further notice. We apologize for the inconvenience. Adjustable nylon monogrammed dog collars, embroidered with your pet's name and/or phone number! These sturdy adjustable embroidered pet collars feature a quick release buckle (not break-away), and a metal D-ring for attaching tags or a leash. Customize your own monogrammed pet collars today! *Please note - we found that the Neon Pink and the Red can bleed color if they get wet, so we do not recommend Neon Pink or Red on white fur.**Occasionally, depending on how small you need to adjust your collar, the plastic slider can cover part of a letter or number. White Thread is used for embroidery on the Red, Purple, Blue & Black collars. Black Thread is used for embroidery on the Neon Orange & Neon Pink collars. Please write a note in the Instructions during checkout if you prefer otherwise. Small 6"-9" > 3/8" width - fits up to 14 charactersSmall 8"-12" > 3/8" width - fits up to 17 charactersMedium 8"-12" > 5/8" width - fits up to 17 charactersMedium 10"-16" > 5/8" width - fits up to 20 charactersLarge 12"-18" > 1" width - fits up to 20 charactersXLarge 18"-26" > 1" width - fits up to 24 characters