NWT Martha Stewart Adjustable Nylon Dog Collar Gray Various Sizes

Size 12 XSmall Neck Girth: 8-12 inches • Weight: Up to 10 Ibs Size 14 Small • Neck Girth: 10-14 inches • Weight: Up to 20 Ibs Size 16 Medium • Neck Girth: 14-20 inches • Weight: Up to 50 Ibs Size 20 Large • Neck Girth: 18-26 inches • Weight: Up to 90 lbs Sizing Tip: Measure around the base of your dog's neck. Choose a collar with an adjustable range that includes your dog's neck measurement. If your dog's measurement falls near the upper end of the range, consider sizing up for the best fit.