The back of the Letters numbers stickers are self-adhesive, and you only need to gently peel and stick it to the place you want! Good adhesion effect, no need to drill holes at all. The design is reasonable and creative, elegant and practical, aiming to provide you with a better using experience. Features -Color: Black -Material: PVC, Adhesive sticker -Size: 23.00X18.00X0.10cm/9.04X7.07X0.04in -Not easy to fade, waterproof and for both indoors and outdoors use. -With reasonable design and simple application, it will bring you a better experience. -Self adhesive and sticky, easy to use, just peel and paste. -Wide applications, these number and letters stickers can be applied to most smooth, clean and dry surfaces. -Suitable for mailbox, craft, house door, offices, streets, classrooms, apartment, hotel rooms, swimming pool, acting as a mark or sign, suitable for DIY decorations. Package list: 8 x Stickers