Bully Bow collars are designed for maximum STRENGTH & COMFORT, and of course, their unique style. Bully Bows collars provides a stylish and comfortable way to keep your dog safe. Please see sizing details below Heavy-duty plastic clip and reinforced D-rings are designed for added security. Durable, high density polyester webbing strap – Soft and durable. Cool Unique Print and Fun Vibrant Color Small: Width: 0.6 inch, Adjustable: 10-14 inch Medium: Width: 0.8 inch, Adjustable: 13-20 inch Large: Width: 1 inch, Adjustable: 16-24 inch