Round badge featuring a collaboration design between Sumire Miyachi of Hinatazaka46 and Solaseed Air. - Model Name: Sumire Miyachi - Collaboration: Solaseed Air - Design: Round badge - Back Design: Safety pin type - Colors: White, Green Thank you for viewing. Received as a commemorative gift for boarding Solaseed Air in June 2026. This is a limited edition collaboration item between Hinatazaka46 and Solaseed Air. Brand new, unused. Size: Approximately 5 cm in diameter. For those who support Sumire-san.