This bat is a new never used in shrink wrap demo by DeMarini. Only discernible mark as a demo is a tiny demo engraving at the bottom of the barrel. We got a deal on it a play it again, son needs a 31 and this is a 30. The DeMarini WTDXCBZ Baseball Bat in white is a durable and balanced youth baseball bat made from carbon composite material. With a length of 30 inches and a weight of 20 oz, this bat is ideal for young players looking to enhance their performance on the field. The CF Zen series by DeMarini is known for its quality and reliability, making this model a dependable choice for the 2022 season. It is approved for use in USSSA leagues, ensuring players meet the required standards for competition.