The house door number kit are made of zinc alloy material, which are durable and strong. Easy to install, simple to use, excellent and practical for home use, sturdy and durable, not easy to deform or rust. Great and excellent for mailbox, house door, garden door. Features -Color:Black -Material:Zinc alloy -Size:12.50X2.50X1.00cm/4.91X0.98X0.39in - They can be perfect and wonderful housewarming gift for your friends, and they will like them. - You can use it to decorate mailboxes, doors, house signs, etc., no matter where you use it. - They have simple appearance design numbers modeling, simple but modern, can better decorate your house door. - They are simple to install, simple to use, useful and durable, which is convenient and reliable for you. - The practical and multi-functional number can be used for house address decoration, mailbox decoration, garden door decor. Package list: 1 x x screws 3 x expansion 3 x copper tubes