This completely reuseable adhesive sticks to any clean, dry surface and never dires out. It is safe, non-toxic and leaves no residue. It can be used to tack posters/signs, anchor equipment, temporarily caulk around doors/windows, etc. It's a substitute for sticky tape, tacks, staples, pins wax, paste, mgnets, glue and caulking in many uses. No animal ingredients/testing. 2 ounces/pack. Eco category: Reuseable, less toxic, animal-friendly.