Hip Flask Rugby Player Pewter. Another great selection of British made Pewter Flasks with sports motifs. The Sports flasks are available in 4 oz ( 114 ml) and 6 oz ( 170.4 ml). This particular flask has a Rugby Player embossed on the front. The Pewter Hip Flask with Rugby player is finished to a very high standard of British workmanship. The sports flasks all have a screw cap. Each flask is gift boxed and will be in a satin drawstring gift bag for protection. The Rugby player hip flask can be engraving with your logo, name or personal message.