DURABLE BASEBALL BAT - A proprietary mix of different types of bamboo is used to create a very durable and weight appropriate bat for players aging from as young as 5 years old to 13 years old 28"- 31" SIZES - Youth bats come in sizes that range from 28" to 31" with one inch increments in between; with so many youth wood bat tournaments being played, the youth BamBooBat models are extremely popular GREEN PRODUCT - With the average tree needing 15-20 years before it can be replenished, bamboo can be replenished in as little as five years; bamboo is a growing sustainable renewable resource STRONG & RELIABLE - BamBooBat youth baseball bats are much stronger than the traditional ash or maple baseball bats found on the market today HIT WITH CONFIDENCE - Many young players break wood bats regularly, so the added durability of bamboo bat allow players to hit with more confidence.