The Rawlings RX 4 Youth Tee Ball Bat TBRX4N is a 13 oz, 25-inch bat with a 2 1/4 inch barrel diameter. Made of metal alloy, this multicolor bat is designed for youth players and meets USA Baseball (USAB) standards. The Rawlings brand is known for quality sporting goods, and this tee ball bat is no exception, perfect for young players looking to improve their game on the field.