Sizing Information
| Size | 3 Collar | 1 Back | 2 Chest | Suitable Breed |
| 0 | 16-18 | 16-20 | 25-29 | Chihuahua, Puppy, Yorkshine Terrier |
| 1 | 18-22 | 18-22 | 28-32 | Chihuahua, Minature Doberman |
| 2 | 20-24 | 22-26 | 36-40 | Pomeranian , Papillon |
| 3 | 24-28 | 27-31 | 40-44 | Toy Poodle, Maltese, Boston Terrier |
| 4 | 28-32 | 32-36 | 46-50 | Pug, Shih Tzu, Pekingese, Minature Schnauzer |
| 5 | 31-35 | 38-42 | 54-58 | Shiba,Beagle, Cocker Spaniel, Akita |
| 6 | 33-39 | 41-47 | 65-71 | Sheltie, Border Collie |
| 7 | 39-45 | 50-56 | 81-87 | Labrador Retriever, Siberrian Husky |
| 8 | 42-48 | 60-66 | 93-99 | Golden Retriever |
| 9 | 47-53 | 72-78 | 101-107 | Afghan Hound, Great Dane |
| 10 | 46-64 | 86-94 | 106-114 |