Museum Putty By Alcolin 3-pack Library Gallery Putty Three - 3 Ounce Packages 9 Ounces Total You will receive (3) 3-ounce Alcolin Sticky Putty Museum & Library packages. Permanently pliable, stretchable, and reusable. May leave an oily mark on some painted surfaces and papers. Remove dust and dirt from computers and hard to get to places or clean fluff from fabric. Excellent adhesive qualities  sticks to almost anything! Solvent free and acid free  non toxic. Conforms to ASTM D-4236.