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″-13″ (Most Important)
- Neck: 7″-10″
- Pets Weighing: 3lbs.-6lbs.
- Chest: 13″-16″ (Most Important)
- Neck: 10″-12″
- Pets Weighing: 6lbs.-10lbs.
- Chest: 16″-19″ (Most Important)
- Neck: 12″-14″
- Pets Weighing: 11lbs.-16lbs.
- Chest: 19″-21″ (Most Important)
- Neck: 14″-17″
- Pets Weighing: 16lbs.-25lbs.