Hip Flask Masonic Pewter. A classic 6 oz kitney shaped Pewter Hip Flask for Masons. This flask has a Masonic motif on the front, holds 170ml (6oz) and has a screw cap. All our Pewter Hip Flasks are presented in a silky draw string bag and gift box. The Masonic flask and can be engraved with a name, logo or personal message and stands on a good solid base.