Leash size: xs ,s width: 1.2cm. M, L width: 1.4cm. length: 120cm High quality handmade, real cowhide collar, you will smell the unique of cowhide, please do not compare with cheap PU collar. We accept dogs and cats tailor-made collar. If you need tailor-made, please contact with us and provide the neck size of your pet. thank you so much!