Mailbox numbers are processed by electroplating technology, which has the advantages of waterproof, rust-proof, corrosion resistant and not easy color fading. No need of punching, nails or screws required, you can install this self adhesive door numbers easily and conveniently. It is made of high quality ABS and metal material. The length of this product is 7cm, width is 4.5cm and thickness is 0.8cm. This product is perfectly suitable for home, household, dorm, garden, yard, etc. Item Name: Number Sign Material: ABS,Metal Features: Rust-proof, Long Lasting, Fadeless Size Details: Size: 7cm x 4.5cm x 0.8cm/2.76" x 1.77" x 0.31" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Number Sign