Pen+Gear Disappearing Purple School Glue Sticks 6 gram 2 count offer a fun and easy way for children to attach items to paper, display board, cardboard, foam board, photos, and much more. Dry time is around 3 minutes. The non-toxic glue sticks provide smooth, clump-free results. They're specially formulated to be washable, photo safe, and acid-free. The disappearing purple formula helps kids see where the glue is. It goes on purple and dries clear. Pen+Gear Disappearing Purple School Glue Sticks are easy for kids to use and are easy to clean up. Product net content 0.21 oz 6g 2 count. Dry time 3 min to 5 min.