Level Up Technique Through Smart Practice
Master your serve faster with the Threo training belt. It keeps the ball in play, so you can focus on your skills. It is excellent for improving consistency and boosting confidence on the court.
Elastic Cord
This trainer stretches far without snapping, making it safe for high-energy routines. It absorbs shocks smoothly, preventing strain on arms and shoulders.


Universal Size
The Threo strap fits all volleyballs tightly, ensuring they stay in place during training. No need to adjust often, saving time and reducing frustration.
Durable Stitching
Our volleyball holds up through daily use without tearing or fraying. It withstands hard spikes and serves, offering long-term value.

















Ivy P.
Makes practice way more effective. The elastic doesn’t snap even with strong hits, and my arm doesn’t feel sore after many reps.
Ava L.
Bought this for my daughter, and she loves it. Great help with mastering technique. No more wasted time running after volleyballs!
Riley E.
Stitching is so strong! I’ve used it daily, and it still looks new. It wraps tightly around the volleyball and never slips off.
Sam D.
Really good for practicing alone in my backyard. The stitching never frays, even after weeks of hard serves. I like it a lot.
Lila T.
I practiced my serves better with this strap. The elastic cord stretches far, so I never chase the ball around. Makes solo training fun!
Carter F.
Great for boosting my confidence! I can focus on getting my aim right since I don’t have to run for the ball. Stays in place every time.
Blake N.
Super easy to use and delivers results fast. My friend and I both noticed better serves after a couple weeks of using this strap.
Logan Q.
Fun to use, makes volleyball practice easier.
Ella V.
Lets you practice anytime without chasing balls.
Chloe M.
Works well, makes serving practice much easier.