How about using up your points? These are packing materials that can be used for shipping☆ You can also change the number of items as you like, so please contact us if you wish☆ Yu-packet Post Packing Materials These are the same products sold at Mercari Store. These are cardboard boxes that allow for anonymous shipping via Yu-Yu Mercari Bin. When sending items, you don't need to prepare a box or bag; simply put the item in this box and drop it in the post box to ship anonymously. Shipping Method 1. Select Yu-Yu Mercari Bin 2. Scan the QR code on the box with your smartphone 3. Detach the receipt and drop the box in the post box. That's all! Size 32.7 x 22.8 x 3cm