Officially Licensed 5" Diameter Ball ships 75% inflated. You must inflate the rest of the way due to shipping concerns. B.O.U.O. (ball of unknown origin) "Ba Ba" and "Bally." Bring a piece of TV history into your home with the NBC House M.D. Oversized Tennis Ball, inspired by the hit medical drama. This officially licensed collectible is the perfect gift for any fan of Dr. Gregory House and his iconic office antics. Measuring 5 inches in diameter, this jumbo tennis ball is great for display, light play, or as a fun desk accessory. It ships 75% inflated to ensure safe delivery — just inflate the rest upon arrival for the perfect bounce. The ball proudly features the witty markings “B.O.U.O.” (Ball of Unknown Origin) along with “Ba Ba” and “Bally”, making it a true conversation starter for fans and collectors alike. Whether you’re decorating your office, completing a House M.D. cosplay, or gifting a fan of the series, this oversized tennis ball delivers the perfect mix of nostalgia, humor, and collectible charm.