This Marucci Black MCBE14 baseball bat is BBCOR certified and has a 2 5/8 inch barrel diameter. The bat is made of metal alloy and measures 31 inches in length and weighs 28 oz. It is designed for adult use and is suitable for baseball enthusiasts of all levels. The bat comes in a sleek black color and does not have any personalization or signatures. The MCBE14 model is perfect for players looking for a high-quality bat that is durable and offers consistent performance on the field. This bat is ideal for use in baseball games and practices and can help players improve their swings and hits. Whether you are a seasoned player or just starting out, the Marucci Black MCBE14 baseball bat is a great investment that will provide you with years of use.