23.8195" Modern Minimalist PVC Wallpaper Adhesion Waterproof Wall Decor Sticker (Green Brick) back of the adhesive (no need other glue) that is tear-stick. It has a good performance in anti-aging, and avoid to be polluted or eatten by worms. Aesthetic Design Easy install and convient for do-it-yourself Home decoration P.S:real color and picture color may be a little bit difference due to shooting light