Elmers Board Mate Dual Tip Glue Pen is a great 2-in-1 applicator allows for perfect projects every time! For fine detail, use the fine point tip. The opposite wide spread tip is ideal for larger applications and BIG jobs! Strongest formula for bonding materials to Elmer’s Foam and Corrugate Boards! Formula tested on Paper to Foam, Foam to Foam, Felt to Foam, Paper to Corrugate, Foam to Corrugate, and Felt to Corrugate. Bonds pieces parallel and perpendicular to board for dimensional and layering effects. Adhesive remains adjustable before setting.