Keychains Lanyards Leder Anime Volleyball Keychain PVC Mini Volleyball Ball Keychn Bag Haikyuu Keychain Ball Key Toy Holding Ring Für Männer Frauen Von 1,35 € | DHgate
Found this pic online, this honestly looks super cool but I feel like the manga-style details would rub off if you played an actual volleyball game with this ball! : r/haikyuu