Purchased in 2023. Usage period unknown. Box and instruction manual included. Functionality has been confirmed, but only that it turns on and that the suction changes in 6 stages. The yellowing in the fourth photo could not be removed. The nipple is size S, and the bottle is 240ml. 20 unused 80ml breast milk storage bags included as a bonus. * We do not ship to Okinawa or areas with relay charges. * Shipping to Hokkaido and Kyushu regions requires an additional 500 yen for shipping, so please contact us via comment.