This methyl cellulose paste for paste paper will revolutionize your paste paper set up! Stir the contents of this two ounce package with a gallon of cold water for two minutes, wait 15 minutes and itís ready to go. Store unused paste in airtight plastic containers for later use. It has an indefinite shelf life before & after mixing (no molding!). Washable, non toxic and highly recommended by Jean Formo.