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.