Glue Dots Adhesive Poster Dot Sheets, Contains 60 (.5 Inch) Diameter Dots (OF333POST) 60 versatile Poster Glue Dots, perfect for photos and posters! Works on paper, foam, plastic, metal, glass and more! Repositionable, Pressure-Sensitive Adhesives No fumes, mess or drying time is great for kids Acid-free, Lignin-free, conforms to ASTM D-4236