Material: The pet ID tag is made of sturdy brass, it is nickel-plated, non-rusting, and it has no sharp edges to protect your pet from injury. Good quality and well made, durable, very solid construction. Label: Comes with an address insert inside. It is a good choice of pet name tag for your pet's information attached to their collar, if your pets keep losing their name tags. With tough ring, brilliant. Lightweight: Small size, but the paper inside is big enough to put the pets details in. Fits well on collars and not heavy, so cats and dogs are not bothered by it. Convenient to carry around. Shape: These little barrels are ideal for pets as they are sturdy and unobtrusive, it's nice and bright, and it's clear and visible, easy to open the barrel and put the label in. High quality dog tag. 10 pieces of pet ID tags: 10 in a pack, it is convenient if cats and dogs do lose their collars quite often. The owner's contact details can be written inside, help others to contact you if your cat or dog likes to disappear sometimes.