Mini Dots™, roll of 300, 3/16 in. (5mm) each glue dot. From Glue Dots Addhesives, these ready to stick, double-sided adhesive (acid free, non-toxic and photo safe) may be small, but provide a super strong hold to little items like buttons, beads, and more. Ideal for craft/hobby, school and art projects; use on paper and cardstock, metal, wood, foam, glass, plastic and photos.