Removable Dots™, roll of 200, 1/2 in. (13mm) each glue dot. From Glue Dots Addhesives, these are a mess free adhesive dot for holding lightweight items and can be easily detached without leaving a messy residue. Safe and easy; no mess (acid free, non-toxic and photo safe). Easily removed or repositioned without leaving behind stains or sticky residue. Ideal to secure gift cards inside greeting cards; use for craft/hobby, school and art projects; use on paper and cardstock, metal, wood, foam, glass, plastic and photos.