Size Name:M SKU: 406000-729Description: An excellent training product for teaching young and exuberant pets basic control techniques. Training instructions illustrated in each pack. The addition of a safety link attaches the halter to the collar, keeping the dog under control if the dog manages to remove the halter. Please check the picture and choose suiable size .Please double check before purchase. Size Guide Size XS Fits 12-20cm Size S Fits 20-28cm Size M Fits 28-36cm Size L Fits 36-42cm