byynne silent basketball size 7 (29.5") – noiseless indoor basketball for quiet dribbling and indoor training, pro grooved airless pu foam basketball – real feel higher bounce quieter orange is up for auction in Sports & Outdoors. The current bid is $0.05, 100% below the $29.99 MSRP, in As Is condition. This auction has ended — similar items appear in live auctions regularly.