This Elmer's Disappearing Purple Liquid Glue is a back to school essential we all remember from our K-12 days! After all, it is the #1 teacher brand, so generations of students hold this forever in their fondest school arts and crafts memories. It has a safe, non-toxic formula perfect for youngins. The disappearing purple is more than ideal for wanting to know exactly where you're placing your glue, and for a mess-free and seamless application. The bottle of glue is 4oz.