Markwort
Markwort STB9SB 9-Inch White Safe-T-Ball Baseballs, Dozen
Markwort STB9SB 9-Inch White Safe-T-Ball Baseballs, Dozen
Ordering for a team? Get team pricing on bulk orders, with custom names, numbers and logos.
- Team specialists
- POs accepted
- Flexible payment
Markwort STB9SB white training baseballs with Syntex covers and hollow rubber cores. 9-inch size, 3.5 oz each; sold by the dozen.
Description
Description
Markwort STB9SB white training baseballs with Syntex covers and hollow rubber cores. 9-inch size, 3.5 oz each; sold by the dozen.
Shipping & returns
Shipping & returns
Questions about shipping or returns? See our Shipping policy and Refund policy, or email sales@proplayerteam.com.

Bulk & Team Pricing Request
Key Features
- Weighs only 3.5 ounces (1.5 ounces lighter than a traditional hardball).
- Syntex cover.
- Rubber hallow core.
- Lightweight to lower the risk of injury.
- For youth leagues and training.
- Stitching and feel of a traditional 5 oz.
- baseball.
Bat Sizing Guide
Baseball bat length by age, height and weight
By age
| Age | Bat length |
|---|---|
| 5 – 7 years | 24" – 26" |
| 8 – 9 years | 26" – 28" |
| 10 years | 28" – 29" |
| 11 – 12 years | 30" – 31" |
| 13 – 14 years | 31" – 32" |
| 15 – 16 years | 32" – 33" |
| 17+ years | 34" |
By height and weight
| Weight \ Height | 36"–40" | 41"–45" | 46"–48" | 49"–52" | 53"–56" | 57"–60" | 61"–64" | 65"–68" | 69"–72" | 73"+ |
|---|---|---|---|---|---|---|---|---|---|---|
| 60 lbs or less | 26" | 27" | 28" | 29" | 29" | — | — | — | — | — |
| 61–70 lbs | 27" | 27" | 28" | 29" | 30" | 30" | — | — | — | — |
| 71–80 lbs | — | 28" | 28" | 29" | 30" | 30" | 31" | — | — | — |
| 81–90 lbs | — | 28" | 29" | 29" | 30" | 30" | 31" | 32" | — | — |
| 91–100 lbs | — | 28" | 29" | 30" | 30" | 31" | 31" | 32" | — | — |
| 101–110 lbs | — | 29" | 29" | 30" | 30" | 31" | 31" | 32" | — | — |
| 111–120 lbs | — | 29" | 29" | 30" | 30" | 31" | 31" | 32" | — | — |
| 121–130 lbs | — | 29" | 29" | 30" | 30" | 31" | 32" | 33" | 33" | — |
| 131–140 lbs | — | 29" | 29" | 30" | 31" | 31" | 32" | 33" | 33" | — |
| 141–150 lbs | — | — | 29" | 30" | 31" | 31" | 32" | 33" | 33" | — |
| 151–160 lbs | — | — | 29" | 30" | 31" | 31" | 32" | 33" | 33" | 33" |
| 161–170 lbs | — | — | — | 31" | 31" | 31" | 32" | 33" | 33" | 34" |
| 171–180 lbs | — | — | — | — | 32" | 33" | 33" | 34" | 34" | — |
| 180+ lbs | — | — | — | — | — | 33" | 33" | 34" | 34" | — |
General guide from the official Rawlings bat sizing chart. Always confirm league rules for drop and certification.
Why Buy From Pro Player Team
Team Pricing
Bulk team orders with custom names, numbers, and logos. School POs welcome.
Team Specialists
Real humans who outfit schools, leagues, and clubs — not a call center script.
Flexible Payment
Flexible payment options so teams can order what they need when they need it.
Customer Reviews
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