XS - 25cm to 29cm
Small - 35cm to 41cm
Medium - 41cm to 47cm
Large - 47cm to 57cm
Xl - 57cm to 67cm
 
All of the adjustable collars are made by hand, with good quality biothane and special leather/biothane paint, which is tough on its own but also gets coated with an extra layer of protection paint to be ready for scratches,mud,water and all of the other stuff dogs like to do !
Please send me a message on instagram for further design ideas 💡