- Product Name: Marusei Butter Sandwich, Rokkatei - Country of Origin: Japan - Contents: 5 pieces - Expiration Date: December 2, 2025 Thank you for viewing. There was a stain on the wrapping paper from the beginning. We will ship via Nekopos with minimal cushioning, so there is a possibility of breakage. Please purchase only if you understand this. Features: Famous confectionery Packaging: Individually wrapped