* Weights listed are for quick reference only to be used when measurements are not available. | ||||
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Chest Width (Between Front Legs) | Chest Circumference | Waist Circumference | Weight * |
| Small | 2 1/2-3 1/2" | 20-28" | 17-25" | 25-45 lbs. |
| Medium | 3-4" | 23-31" | 20-28" | 45-65 lbs. |
| Large | 4-5" | 26-34" | 23-31" | 65-85 lbs. |
| X-Large | 5-6" | 29-37" | 26-34" | 85+lbs. |