DOMOTO またね CD+Blu-ray 初回盤B

It looks like you're referencing a specific music product, which is a CD and Blu-ray disc set for a single by DOMOTO titled "またね" (Mata ne), categorized as an initial edition B. This product appears to be a 12 cm CD single, which is a common size for CDs in Japan.
If you need more information about this item, such as its release date, track listing, or details about the Blu-ray content, please let me know!