there is provided a tube assembly for holding and securing one or more items wherein the items have a top end and a bottom end . the tube assembly includes a tube having a top end , a bottom end and a wall defining a hollow cavity within the tube . a top cap is configured for releasably engaging and sealing the top end of the tube . the top cap includes a slot configured for receiving coins or other objects . the tube assembly also includes a bottom cap configured for releasably engaging and sealing the bottom end of the tube . within the cavity are located a first spacer comprising a first space for receiving the top end of the item , and a second spacer comprising a second space for receiving the bottom end of the item .