Aleene's Crystal Clear Acid Free Tacky Spray is a super strong, multipurpose, permanent spray adhesive. Unlike other spray adhesives, this unque formaula provides an extremely strong bond once dry, but it also allows you extra time for perfect positioning. Before drying crystal clear, this tacky spray stays wet for about 60 seconds to allow your project to be moved and altered to absolute crafting perfection. Perfect for paper, cardboard and light wood.