Tee Ball:

Under the USABat standard, certified Tee Ball bats (26″ and shorter) will feature the USA Baseball mark and text which reads ONLY FOR USE WITH APPROVED TEE BALLS. All Tee Ball bats must feature the USA Baseball mark and accompanying text. Tee Ball bats that were produced and/or purchased prior to the implementation of the new standard can be certified using an Approved Tee Ball Sticker via the USA Baseball Tee Ball Sticker Program (USABaseballShop.com) beginning September 1, 2017.

NOTE: Approved Tee Ball bats may also be used for Coach Pitch/Machine Pitch Minor Divisions only with the use of approved Tee Balls.

Beginning with the 2018 Little League season, non-wood and laminated baseball bats used in the Little League/Major (league ages 12 and below), Intermediate (50/70), and Junior Divisions shall bear the USA Baseball logo signifying that the bat meets the USA Baseball Performance Standard.

All BPF – 1.15 bats are prohibited beginning with the 2018 season. Additionally, starting in 2018, the bat diameter shall not exceed 2-5/8” for these divisions of play.

Senior League

A bat shall not be more than 36 inches in length, nor more than 2-5/8 inches in diameter, and if wood, not less than fifteen-sixteenths (15/16) inches in diameter (7/8 inch for bats less than 30”) at its smallest part. The bat shall not weigh, numerically, more than three ounces less than the length of the bat (e.g., a 33-inch-long bat cannot weigh less than 30 ounces).

All non-wood bats used in Senior League baseball shall meet the Batted Ball Coefficient of Restitution (BBCOR) performance standard, and such bats shall be so labeled with a silkscreen or other permanent certification mark.

NOTE: BBCOR bats do not require a USA Baseball logo.

The certification mark shall be rectangular, a minimum of a half-inch on each side and located on the barrel of the bat in any contrasting color. Aluminum/alloy and composite bats shall be marked as to their material makeup being aluminum/alloy or composite. This marking shall be silkscreen or other permanent certification mark, a minimum of one-half-inch on each side, and located on the barrel of the bat in any contrasting color.

Little League (Major) Division and below

The baseball bat shall not be more than 33 inches in length; nor more than 2⅝ inches in diameter, and if wood, not less than fifteen-sixteenths (15/16) inches in diameter (7/8 inch for bats less than 30″) at its smallest part. Wood bats taped or fitted with a sleeve may not exceed sixteen (16) inches from the small end.

NOTE: Solid one-piece wood barrel bats do not require a USA Baseball logo.

Intermediate (50/70) Division and Junior League

The baseball bat shall not be more than 34″ inches in length; nor more than 2⅝ inches in diameter, and if wood, not less than fifteen-sixteenths (15/16) inches in diameter (7/8 inch for bats less than 30″) at its smallest part. Wood bats taped or fitted with a sleeve may not exceed eighteen (18) inches from the small end. Bats meeting the Batted Ball Coefficient of Restitution (BBCOR) standard may also be used in the Intermediate (50-70) Division and Junior League divisions. 

All non-wood bats used in the Junior League baseball division shall meet the Batted Ball Coefficient of Restitution (BBCOR) performance standard, and such bats shall be so labeled with a silkscreen or other permanent certification mark.

NOTE 2: Also, permitted for the Intermediate (50-70) Division and Junior League Division are bats meeting the BBCOR performance standard, and so labeled with a silkscreen or other permanent certification mark. The certification mark shall be rectangular, a minimum of a half-inch on each side and located on the barrel of the bat in any contrasting color. Aluminum/alloy and composite bats shall be marked as to their material makeup being aluminum/alloy or composite. This marking shall be silkscreen or other permanent certification mark, a minimum of one-half-inch on each side, and located on the barrel of the bat in any contrasting color.

NOTE: Solid one-piece wood barrel bats do not require a USA Baseball logo.

Softball

The bat must be a softball bat which meets Little League specifications and standards as noted in this rule. It shall be a smooth, rounded stick and made of wood or a material tested and proved acceptable to Little League standards. The bat shall be no more than 33 inches (34 inches for Junior/Senior League) in length, not more than two and one-quarter (2¼) inches in diameter, and if wood, not less than fifteen-sixteenth (15/16) inches in diameter (7/8 inch for bats less than 30 inches) at its smallest part. Non-wood bats shall be printed with a BPF (bat performance factor) of 1.20. Bats may be taped or fitted with a sleeve for a distance not exceeding 16 inches from the small end. Colored bats are acceptable. A non-wood bat must have a grip of cork, tape or composition material, and must extend a minimum of 10 inches from the small end. Slippery tape or similar material is prohibited.