Fate／kaleid liner プリズマ☆イリヤ 4巻の買取情報

The product you're referring to is the Blu-ray release of "Fate/kaleid liner プリズマ☆イリヤ ツヴァイ ヘルツ!" (Fate/kaleid liner Prisma☆Illya Zwei Herz!), specifically the fourth volume. This series is part of the larger Fate franchise, known for its unique take on the magical girl genre combined with elements from the Fate universe.
This particular Blu-ray likely contains episodes of the series along with special features such as audio commentary, trailers, and possibly some promotional material. If you're looking for specific information such as episode listings, special features, or release details, I would suggest checking the official product listing from the distributor or a retailer that specializes in anime.