GLUE DOTS-Poster Glue Dots Value Pack. Poster Glue Dots are double- sided adhesives that form a strong bond on painted walls, plaster, cinderblock, glass, metal, and more. The perforated sheets tear easily for quick distribution and these dots remove without staining or leaving residue. Poster Glue Dots are ideal for hanging posters, photos, and other lightweight items. Always test surface first. This package contains 600 adhesives each measures 1/2 inch (50 perforated sheets). Conforms to ASTM D4236. Acid free and non- toxic. WARNING: CHOKING HAZARD-Small Parts. Not for children under 3 years. Made in USA.