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Birdy X Cool Koinu

Rivet The Protogen "Squishy Rivet" -- Sticker Sheet [FINAL SALE]

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This sheet features a selection of Squishy Rivet for you to enjoy!

Birdy & Cool Koinu have teamed up with Boss Monsta for this exclusive release! 

  • Official Rivet The Protogen merchandise designed by Protogen creator Cool Koinu sold exclusively by BossMonsta
  • Unique, high visibility designs!
  • Printed in the USA!

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