Permanent adhesive refill is designed for use with Tombow Mono Adhesive Applicator. The permanent adhesive bonds instantly, cleanly and wrinkle-free and is safe to use on paper, photos, photos, cardstock and more. Snap-in refill cartridge makes it easy to install. Because the adhesive is acid-free and Photographic Activity Test (PAT) approved, it is ideal for use with memory albums and other archival materials.