**For decorative wear only. Indoor use only. Do not attach leash or use as a restraint. **
Small: Neck 7.9″ Width 1.2″
Medium: Neck 8.7″ Width 1.2″
Large: Neck 11.0″ Width 1.2″
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).