The Mailbox Numbers Reflective Stickers for Outside are 4 sets of silver vinyl numbers, each measuring 4 inches in size. These reflective stickers are perfect for addressing your mailbox door or bin window, with a self-adhesive installation method for easy application. The stickers are designed for outdoor use, suitable for home décor, and feature a solid yellow color with a reflective special feature for added visibility. Made of durable polyethylene terephthalate material, these mailbox numbers stickers are a practical and stylish addition to your home.