Glue Dots are a double-sided, pressure-sensitive adhesive that is perfect paper layering or bonding photos to cards or scrapbook pages. Works on paper, foam, plastic, metal, wood, glass and more. Great for hobbies, home, school, and office projects. Bonds instantly, child safe, and no dispenser required. Acid-Free. Lignin-Free. Non-Toxic. 3/8 inch. Clear. 3 Packages of 300 pc.