Premium 600ml stainless steel drink mixing shaker with a smart matte finish. It has a secure screw on lid with a snap closure and unique built-in mixing blades which help to break up powder granules. Trojan is designed for measuring and mixing powdered drinks and nutrition supplements and displays both metric and imperial graduations. It is BPA-free, laser engraves to a shiny steel finish and is presented in a black gift box. This product is not dishwasher safe and handwashing is recommended.