Preserve your finished puzzle with ready-to-use Ravensburger Glue and Go!. This special adhesive also gives the surface a glosy finish to enhance your puzzle's brilliant colors!. Permanently seals approximately two 1000 piece puzzles. Sold individually. Each bottle contains 4 fluid oz. To protect the work surface, place newspaper underneath the puzzle. Liberally apply glue to the surface of the puzzle and dab into crevices. Allow to dry (2 hours). The glue will turn clear. Ringe sponge after use. WARNING: Keep Out of reach of children under 7.