Size Category Height Width
| Miniature | Under 6" | 6 to 12" |
| Mini to Small | 6 to 10" | 12 to 15" |
| Small | 10 to 15" | 15 to 24" |
| Medium | 15 to 18" | 24 to 30" |
| Large | 18 to 24" | 30 to 36" |
| Extra Large | 24" and over | 36 and up |
| Miniature | Under 6" | 6 to 12" |
| Mini to Small | 6 to 10" | 12 to 15" |
| Small | 10 to 15" | 15 to 24" |
| Medium | 15 to 18" | 24 to 30" |
| Large | 18 to 24" | 30 to 36" |
| Extra Large | 24" and over | 36 and up |