Size Guide: 


Small- 20mm thickness- Toy Breed - Medium Breed ....Yorkie, Jack Russel to spaniel  etc 

Med- 25mm thickness- Medium Breed - XLarge Breed.....spaniel, lab to St Bernard 


Every dog is different so It is up to you what thickenss of lead your dog should have, these sizings are just here as a guide.  



Designer Lead, Turquoise & Navy, Medium