This is a 5/8 oz bottle of Testors Plastic Model Cement. Testors cement has been used by hobbyists and craftsmen for over 75 years. The full range of Testors cement and glue are exceptionally strong, fast-drying, and easy to use. They offer quality and convenience at a low price. Testors iconic tube of cement is the #1 selling Testors item in the hobby category. Both the standard and the non-toxic versions of Testors Cement for plastic are staples for the hobbyist. Cement for Plastics; Use for polystyrene and ABS plastic.