* Never have to worry about losing your pets I.D. again. This tag is attached by stedefast steel. Upon purchase i will send you a prepaid 6"x10" flat rate envelope and retrun the collar to you in 5-7 business days* Custom hand stamped and textured copper/aluminum I.D. plate. A standard length tag allows for a 10 character max and 10 digit phone number .This tag can be attached to any collar I.E. nylon , leather rubber coated nylon.