Sanrio Fluffy Mouse Stickers Minions Puffy Stickers Instant purchase ○ Stored at home for a long time. The mouse stickers are believed to be from around 15 years ago, during the Heisei era. See photos 3 and 4. The bag is dirty, and although unopened, there is a stain on the bottom right of the bag. Heisei Retro Sanrio Stickers Puffy Stickers Fluffy Stickers Items from the Heisei era