Mizuno MZE271 Bamboo Elite Wood Baseball Bat (120 Day Warranty) (32 Inch) 79.99 Mizuno US Patent Pending Design. 120 Day Manufacturer's Warranty. Bamboo and Glass fiber is melded together in the handle and taper of the bat while combined with the bamboo barrel for superior durability. Over 30 years of expertise in engineering of Bamboo bats. BBCOR Certified. Sanded handle for improved grip.