This is a centrifuge tube carrier with an integrated funnel, designed to sit on your scale for efficiently preparing multiple single-dose portions of coffee beans. Empty tubes are inserted through the top funnel, filled with coffee beans, and then removed through the side opening. Compatible with 50ml centrifuge tubes, including both flat-bottom and conical types.

This is a pot tray printed with the image of "Lac Bird", one of the symbolic patterns of the ancient Dong Son culture in Vietnam.