Nonaerosol spray adhesive features a disappearing purple formula to let you see exactly where you're applying the glue while drying clear. Nontoxic, solvent-free formula provides an extra strong bond to securely adhere and mount items to a variety of surfaces. Spray-action bottle lets you accurately dispense glue exactly where you need it to prevent wasteful use. Acid-free adhesive is perfect for applying to fabric, paper, cardboard, photos, foam board, wood and more.