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