Acid free, photo safe. Easy brush applicator. Shatter resistant bottle. Cries clear. Excellent for mounting photos, cut and paste jobs, and repairs. For Easily Removable Bond: Evenly coat both surfaces, then press wet surfaces together. Excess cement rubs off easily, once dried. Note: May damage some surfaces. Protect work area with impermeable material before using. Product of dissolve or soften with age. ACMI AP: Art & Creative Materials Institute certified. Conforms to ASTM D-4236. www.elmers.com. We would love to heat from you 1.888.435.6377. Assembled in USA.