A great alternative to messy liquid glues and tapes, these adhesive squares from Glue Dots are ideal for your school projects, DIY crafts or household repairs. This easy-to-use dispenser is sure to make a useful addition to your stationery supplies. Details: Clear3/16" (5 mm) each 8 dispensers (450 squares per dispenser, 3,600 total squares)Permanent Acid free and nontoxic Kid friendly and photo safe Conforms to ASTM D-4236