Collars have side release buckle, slide adjuster, and D-ring. Elite woven fabric includes up to 8 colors, sewn to one side of 1-color Classic webbing with reflective ribbon in between. Collar Lengths: Small / 9-14", Medium / 12-20", Large / 18-32" (Note: Sizes may be mixed to obtain quantity breaks as long as imprint, colors and design remain the same). 20" L x 1" W