UNIVERSAL MAILBOX FLAG: Our mailbox flag is designed to work on any mailbox. It installs easily on metal, stone, brick, plastic and all other types of mailboxes ADD YOUR ADDRESS TO YOUR MAILBOX: Included with our mailbox flag kit is a set of 35 number stickers made by Hillman. This set of 2" number stickers includes all the necessary numbers to add your address to your mailbox LONG LASTING AND DURABLE: We designed our mailbox flags to outlast any other mailbox flag on the market. We put our flag through rigorous testing so you'll never need to replace your flag again SUPER EASY INSTALLATION: Install your new mailbox flag in a matter of minutes. Simply snap the flag into it's plastic base, screw the base to your mailbox and your finished COMPLETE REPLACEMENT KIT: We've included every part you may need to replace your mailbox flag. Our kit includes a flag, flag base, all necessary screws and a set of number stickers for your address