This is detergent purchased at the Osaka-Kansai Expo official store. This design appears to be exclusive to the venue. It is sold as a set of 2 (individual sales are negotiable). I bought it as a gift, but I have some extras, so I'm selling them. 【Search terms】 EXPO2025 Keychains Keyholders Straps Mymyak (Gold) Mymyak (Black) Magnets Pavilions