Original Tacky Glue dries clear and flexible. Clear Gel Tacky Glue goes on clear and dries clear and strong. Quick Dry Tacky Glue is the quickest drying fastest tacking glue available. Turbo Tacky Glue is stronger and faster drying than Original Tacky Glue and is acid-free photo-safe and non-toxic. Super Thick Tacky Glue holds items on contact applies white and dries clear and flexible and can withstand both heat and cold. Acid-Free Tacky Glue is fast-drying and permanent. Safe for paper and memory use.