| Size | Dog weight | Breed examples |
|---|
| S | 2.5–10 | Chihuahua, Yorkshire Terrier, Miniature Dachshund |
|---|
| M | 10–20 | Cocker Spaniel, Beagle, Border Collie |
|---|
Weight in kg.
The slip collar adjusts with a stopper. Fit it snug enough that it cannot slip over the ears, with two fingers of room.