Strong enough for the office; permanent; acid free photo safe. All purpose. Goes on smooth. Works on a variety of paper types including cardboard, foamboard, and display board. Seal envelopes; apply labels; mount pictures, charts and graphics; photo albums; business presentations; home and office projects. Acid free and photo safe. Uses: Neat, easy and convenient paper gluing. Goes on smooth and dries fast, clear and colorless. Elmer's encourages recycling! Elmer's Glue Crew Recycling Program. www.elmersgluecrew.com. ACMI - Art & Creative Materials Institute Certified - AP. Conforms to ASTM D 4236. Non-toxic. Made in China.