Mailbox numbers are made of ABS resin, 2 sets of numbers, each set contains 10 numbers, from 0 to 9, 20 numbers in total. Simple appearance, beautiful, waterproof effect, durable, it is recommended to paste on dry smooth surfaces to maintain good adhesion. Be applied to any smooth, clean and dry surface, mailbox, office, house door, factories, apartment, hotel, signboard, supermarket, gymnasium lockers etc. Smooth surface without burr, back self-adhesive design, easy to use, the back of each digital label is covered by tape, you only need to tear off the sticker, and then stick it where you want.