The collar is called a 2-Tier Collar because it has a removable strap that allows you to change the letters and add charms!
Colors available: Black, Pink, Red and White Croc.
Sizes available: Medium will fit a neck measuring between 14" and 18", Large will fit a neck measuring between 18 and 24".
To get the correct fit, measure the size of your dog's neck and add two inches to the measurement for 10"-14" collars. Add 3 inches to all other sizes. Example--A size 10" collar will fit a size 6-8" neck.