Valyria Stainless Steel Pet Tags for Dog and Cat ID Tags with Different Pendant Material:Stainless Steel;features:durable and fadeless Length:3.5cm(1 3/8");Width:3.3cm(1 2/8");Thickness:1.5mm;split ring size:2.5cm(1")+1.5cm(5/8"); Comes with a beautiful black Velvet Gift Bag Two metal split rings included with tags to attach to your pet's collar This wonderful stainless steel blank ID tag is also great for dogs and cats,could be engraved with personalized information about phone number, name, address by yourself or by us.