Important Sizing Note: The following measurements are the dimensions of the actual product, not of the pet they fit. After measuring your pet, make sure all measurements fit within the following dimensions (with a little room to spare in the chest and neck).
- Chest: 10″-12″ (Most Important)
- Neck: 7″-10″
- Pets Weighing: 3lbs.-5lbs.
- Chest: 13″-16″ (Most Important)
- Neck: 10″-13″
- Pets Weighing: 6lbs.-10lbs.
- Chest: 16″-19″ (Most Important)
- Neck: 13″-16″
- Pets Weighing: 11lbs.-15lbs.
- Chest: 19″-21″ (Most Important)
- Neck: 16″-19″
- Pets Weighing: 16lbs.-32lbs.