UHU universal adhesive extra, non-dripping, crystal clear, unique adhesive, universal for clean adhesion. A gel which is ideal for use on vertical surfaces. The glued part remains elastic and does not wrinkle. Universal - wood glue, plexiglass, metal, glass, ceramic, leather, fabrics, cardboard, paper. Not suitable for PE, PP. For a good adhesion the surfaces should be dry, without dust or grease.