Large 600ml drink Fit Dad shaker which has a secure screw on lid with a snap closure. It is manufactured from polypropylene which is shatterproof, odour-resistant and BPA-free. Fit Dad Fuel Shaker is designed for mixing and pouring all Fit Dad Fuel Lifestyle supplements. It has both metric graduations and a stainless steel mixing ball which helps to break up powder granules. This product is not dishwasher safe and handwashing is recommended.