Metal box approximately 11 x 8 x 2.5cm. Printed on the lid "Horlicks Tablets - A Complete Food - 24 Hour Ration - As Supplied To The Air Ministry". It is interesting to note that there are at least two versions of this size of tin, each with slightly differing text. Shows use and wear with some light corrosion on the lid but in fairly good overall condition. Very clean inside. Remnants of original tape seal remain. Empty. Stock code S17783.