The Tombow MONO Permanent Adhesive Applicator bonds instantly, cleanly and wrinkle-free and is safe to use on paper, photos, cardstock, etc. It is easy to refill with Tombow snap-in adhesive cartridges and even includes 1 to get you started (Additional Tombow MONO 62107 refills sold separately). Tombow MONO Adhesive is acid free and provides a permanent, strong bond that is (PAT) Photographic Activity Test Approved. At Tombow, we're passionate about offering the finest and most innovative executive pens, office, arts and crafts products on the market today. Whatever your project, from preparing documents to scrapbooking to fine art projects, you can count on Tombow for unmatched quality and design.