⭐︎Sale⭐︎ ¥1600 → ¥1550 New, unused item. ※ Purchased from an authorized retailer. Convenient for replacements! B.box Straw Mug Replacement Straw & Cleaner Set This set includes the innovative weighted straw with slits, which is a key feature of the sippy cup's leak-proof design, and a dedicated cleaner to clean the straw and weight. This is a must-have cleaning item for sippy cups, and it's also convenient to have as a replacement stock. Set Contents: Replacement Straws / 2 Weight / 1 Cleaner / 1 Materials: Polypropylene / Silicone / Steel Ball (Dishwasher safe) ※ Not microwave safe ※ All bbox products are BPA-free, phthalate-free, and PVC-free.