Get 10% Off Your First Order
Baseball, community, and creativity. Subscribe now and unlock 10% off your first order.
Unlock 10% off your first order
Baseball, community, and creativity. Subscribe now and unlock 10% off your first order.
Lock in your grip. Level up your game.
The 4APP Square Rosin Bag is made for pitchers who want that solid grip without overthinking it. Whether you’re getting your work in on a bullpen day, chasing velocity, or just need something that actually works, this bag’s got you. Built to be simple, durable, and effective - nothing fancy, just what you need.
Key Features:
10oz square-style rosin bag
Dark rosin blend from South Georgia pine
Absorbs sweat fast and keeps your hand dry
Heavy-duty polyester shell built to last
Same stuff we use in our own training
From high school fields to pro bullpens, this bag shows up every day.
Please allow 1 to 3 business days for order processing before shipping.
