Elmer's Washable School Glue Pens with Precision Tips #1 Teacher Brand (3-pens Per Pack) - 2 Packs Plus Fast Dry Smooth Appliaction Glue Sticks 2 Packs (4-sticks Per Pack) Elmer's Washable School Glue Pens with Precision Tips #1 Teacher Brand (3-pens Per Pack) - 2 Packs Plus Fast Dry Smooth Appliaction Glue Sticks 2 Packs (4-sticks Per Pack) #1 Teacher Brand Elmer's Washable School Glue Pens with Precision Tip. Dries clear, it is safe and non-toxic. Note: Not use with photos, bare metal, submerged or heater surfaces. Keep from freezing. Bonds most porous materials such as paper and cloth, and semi-porous meterials such as wood and pottery. To open, pull cap straight off. Push cap firmly in place until it clicks to close.