What size do I need?
Want to know your size fast? Use our size finder.
How to determine the right size for a Dog with a Mission collar?
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Measure the neck snugly: Wrap a soft tape measure around the narrowest part of your dog's neck. Pull it snug, with no fingers in between. In between two sizes? Go for the smaller one.
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Read the neck circumference: Make sure the tape lays flat and note the measurement where the ends meet.
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Consult our size chart: Use the neck circumference to select the correct collar size from the chart below.
Note: Always measure your dog’s neck, not the old collar. Our sizes are unique and based on neck circumference.






