The Cat Collar ID Tube Tag by Pets at Home is the simple and effective way to identify your cat should your pet become lost. Weather resistant and made from tough durable metal, the Cat Collar ID Tube Tag by Pets at Home simply clips onto your cat's collar and unscrews to reveal the information contained within. A multipurpose product, the Cat Collar ID Tube Tag by Pets at Home can also be used to identify luggage or keys.