Fashion Heart Key Crystal Key Chain Bag Pendant is made of zinc alloy and crystal. Heart Key's Size is 1 1/8" X 1 1/4". Length of chain is 2". It is very lovely, beautiful and environmental. Aattached a tag on the chain and Laser your logo on the tag. Different shape tags for choice square, round, heart. Also is a good promotion gifts for fashion shops, supermarkets and schools and trade show. There are 1,000 designs for choice.