A bottle with a filter that easily makes cold brew coffee. This is a gift, and it is a new, unopened item. BLUE BOTTLE COFFEE COLD BREW BOTTLE Blue Bottle Coffee Cold Brew Bottle Color: BLUE Retail Price: 3445 yen This bottle allows you to easily make cold brew at home and store it. Simply set ground coffee beans (medium-fine grind) and water, and leave it in the refrigerator for 8 hours. You can enjoy delicious cold brew at home without any effort and without fail. The taste of cold brew, chilled and enjoyed in the hot summer, is exceptional. Thank you very much. Thank you for looking.