Laser Etched Bulk Lot Pet ID Tag for Dog & Cat Shelters, Rescues, Non Profits Org. and Special Events Bulk Lot Pet ID Tag for Dog & Cat Shelters, Rescues, Non Profit Org. and Special Events. Engraving information must be identical. Made In USA Aluminum material. Light weight, strong and durable. Stainless split rings are included Tags are laser etched (permanent). Engraving by IO Tags. 5 colors to choose from: 1) Black; 2) Blue; 3) Pink; 4) Purple; 5) Red