Large UHU glue stick (99653, 1.41 oz.) goes on purple and dries clear. Forms a strong, long lasting bond with just a single stroke. Goes on smoothly with no clumps. Washable, acid free and photo safe. Ideal for paper, cardboard and photos. Patented threaded cap keeps air out preventing dry outs. Non-toxic - conforms to ASTM D-4236. 12 Count Pack.