Softball Bat Sizing I'm 5'2", 100 Lbs, 17 Y/o, And I Play Fast Pitch Softball. What Sized Bat Should I Get?

I'm 5'2", 100 lbs, 17 y/o, and I play fast pitch softball. What sized bat should I get? - softball bat sizing

I know it would be better for me, sports shop and bats will test for me, but there are not many shops in my country, that the animals very much. My plan is to order online. Thank you!