Tags are made of Aluminum, fully anodized and sealed. No bare aluminum edges.Anodized Aluminum Round Pet Tag$10.00PriceExcluding Sales TaxCOLORSelectTEXT SPECIFICATION or SEND AN EMAIL TO stamps@sumiflex. com, WE WIIL SEND YOU BACK A PROOF*0/500Quantity*Add to CartSIZE1 1/4"