These martingale collars are easy to take off and put on with a side release buckle. REFLECTIVE stitching and double sewn for safety. Available in 7 colors and 3 sizes

SMALL 3/4 inch wide - fits 11 1/2 - 13 1/2 inch neck

MEDIUM 3/4 inch wide - fits 13 1/2 - 16 1/2 inch neck

LARGE 3/4 inch wide - fits 17 - 22 inch neck