Removable, reusable adhesive putty lets you hang posters & decorations without leaving holes or messy residues. As a quick, easy-to-use alternative to tape, nails, tacks or staples, putty in the UHU Tac Mega Pack adheres paper or small objects to most materials & surfaces including wood, tile, glass, metal, plastic, cinderblock & more. Using this adhesive putty helps you avoid adding holes to your walls. It is easy to decorate & redecorate with this putty. Add, move or remove posters & photos from the walls with ease. Putty works well to secure collectibles on shelves, keep candles in place, anchor phones & computer keyboards. It is safe, clean, nontoxic & conforms to ASTM D-4236.