Thank you for viewing. This is an official Mercari store Yu-Yu Mercari Bin material, a product of 20 Yu-Packet Post shipping seals (20 pieces x 1). #HisachanPackingMaterials ➡️ You can see the list. These are shipping seals that can be used for Yu-Yu Mercari Bin's Yu-Packet Post. Using these makes it very convenient as you only need to drop them in the post box when shipping. 【About the product】 You can ship by dropping it in the post box, so you can ship even when the post office is closed. You can ship items that are within 34cm in length, within 60cm in total for all three sides, up to the thickness that can be put in the post box, and within 2kg. 【Shipping procedure】 ① Select the shipping method from your mobile screen. ② Scan the QR code on the Yu-Packet Post shipping seal. ③ Attach the shipping seal to the packaged item. ④ Drop it in the post box. ⑤ Send a shipping notification. ※ Simple packaging, directly into an envelope. No price reduction is possible. We do not accept cancellations, complaints, or returns after purchase, so please understand. All items are new and unused, but please purchase with the understanding that they are items stored by an amateur. Please purchase only if you do not mind home storage. #YuYuMercariBin #YuPacketPost #PostIn #PointConsumption