Personalized Leather Dog Collar Laser Engraved ID Tag Rolled Round Soft Padded Cat Puppy Small Medium Large Breeds (Blue, XXXS ref 3473/2311) Please send us a message with your dog's name and phone number. Two lines limit. Size XXXS Neck fit 7" - 8". Width 3/8" ref # 3473/2311. Size XXS Neck fit 8" - 10". Width 3/8" ref # 3474/2312. Size XS Neck fit 10" - 13". Width 3/8" ref # 3475/2313. Size S Neck fit 13" - 16". Width 1/2" ref # 3476/2314. Size M Neck fit 16" - 19". Width 5/8" ref # 3477/2315 . Size L Neck fit 18" - 21". Width 3/4" ref # 3478/2316. Size XL Neck fit 21" - 25". Width 3/4" ref # 3479/2318.