Testors Value Pack Cement For Plastic 2/Pkg .875oz TESTORS-Cement For Plastic. This package contains two 7/8 fl.oz. (25.8mL) tubes of adhesive that is specially formulated for joining plastic items. Also included are four precision glue tips for fine applications. WARNING: Flammable, Vapor harmful, Keep out of reach of children. Conforms to ASTM D4236. Made in USA.