Tee ball bats (or t-ball bats) are extremely lightweight and designed for kids 6 years old and younger. Tee ball bats are specifically made to only hit off of a tee, not live pitching. These bats have a 2 1/4 inch barrel diameter and a -10 to -14 length to weight ratio. For more help check out the Frequently Asked Questions about Tee ball bats for more help from our baseball and softball bat Resource Guide. Also, if you are unsure which of our Tee Ball bats for sale is right for you, visit our Tee Ball Baseball Bats Reviews page to see what everyone else is saying!