The Squeeze and Roll ZIG 2 Way Glue Pen is so versatile! Simply squeeze the Bubble Grip and roll to dispense a thin line of blue glue. For a permanent bond, adhere the items immediately. For a temporary bond, wait for the adhesive to change from blue to clear and then adhere. This glue is acid- and xylene-free and can be used for embossing, masking, flocking, glitter, and so much more. The glue pen is also perfect for positioning stencils, gift wrapping, scrapbooking, and many other projects.