Guardhouse 1 oz. Bar tubes are designed to easily store and protect your silver bar collection. Sleek and ergonomic, the Guardhouse translucent snap-tight lids and tubes allow for easy identification of their contents and stack for tidy storage. Bulk Guardhouse brand coin tube boxes are clearly labeled to identify contents and come in interior boxes of 50 and master cases of 300 (6 boxes of 50). Holds 20 bars per tube.