This 500ml borosilicate glass flask features an attached handle and a smooth rim. The molecular structure of caffeine is enameled in white on one side, and the other side has standard flask graduations. Additional Info: Flask Mug, Borosilicate, 500ml Package Size(L x W x H): 5 X 5 X 6.5 (IN) Categories: Flasks, Glass HTS Code: 7017.90.5000 UNSPSC: 4.11218e+007 Country Of Origin: INDIA