Tac Adhesive Putty, Removable/Reusable, Nontoxic, 2.12 oz, 80 pieces/Pack, 4 Packs Hang posters, charts, memos, decorations and more without leaving holes or messy residues Adheres to most clean, dry surfaces without tacks, tape or glue-won't stain or dry out It's the no-mess way to easily hold paper items in place Best of all, it's removable and reusable It's also perfect for anchoring collectables on shelves, computer keyboards on your desktop, or anything you want to stay in place