UHU Stic Permanent Purple Application Glue StickForms a strong, long-lasting bond with just a single stroke. Goes on smoothly with no clumps. Lets you create neat, tidy photo albums and scrapbooks quickly and easily. Acid-free and photo safe. Ideal for paper, cardboard and photos. Dries clear. Washable. Adhesive Type: Stick; Color Dried: Clear; Color on Application: Purple.