BamBooBat Bamboo Wood Slowpitch Softball Bat (100 Day Warranty) BamBooBat softball bats are made with the highest quality bamboo available. A proprietary mix of different types of bamboo is used which creates a very durable and weight appropriate bat for players aging from 13 years old to adult. All BamBooBat softball bats come with a 100-Day manufacturer's warranty and are ASA approved. Bat Specifications Wood: Bamboo Finish: High Gloss Barrel: 2 1/4" extended barrel Handle: 7/8" Barrel Load: Balanced Cupped: Yes Grip: Leather Certified: ASA approved Warranty: 100 Day Manufacturer's Warranty Available Sizes: $size$