For a durable bat ideal for tee-ball, trust the Mizuno Youth B21-Hot Metal Big Barrel Tee-Ball USA Baseball Bat (-12). This one-piece tee-ball bat is made with powerful HotMetal™ single-wall aluminum alloy for durability. The Speed-Helix grip provides added comfort, while the lightweight, large barrel allows for concentrated hitting. Mizuno Youth B21-Hot Metal Big Barrel Tee-Ball USA Baseball Bat (-12) Navy Blue/Bright Red - Tball Bats at Academy Sports