A milk jug with a lid in the shape of a cow's head. This jug was designed by John Downey based on an idea of Bob Sokolski inspired by a ceramic cow creamer and manufactured by Whirley Industries, USA. It was their most popular product from 1972 to 1980. It is made from injection moulded polypropylene with a gasket made of polyethylene. This object was featured in the Ten Most Wanted research project: http://10most.org.uk/artefact/whirley-milk-jug
where additional information about it can be found.