The myvitamins 700ml shaker bottle is a quick and convenient way of mixing your favourite myvitamins shakes manufactured by the world famous germany company buchsteiner these mixmaster shakers are completely leak proof and come with a mesh grill to ensure your shakes stay refreshing and lump free simply fill with a liquid of your choice to your desired level and add your powdered shake screw on the lid and shake warning the myvitamins shaker bottle must not be used with hot liquids for c