TRNR Gel Balls size-green-blue-tint-blue Sweet Mary Jane

Sweet Mary Jane

therefore allowing replenishment of lost electrolytes without adding calories

making the shoe especially abrasion-resistant and durable

Available in 100ct and 30ct bottles and 3ct packets

promoting the flow of blood and oxygen

TRNR Gel Balls size-green-blue-tint-blue Sweet Mary JaneAre you looking for a fun and convenient way to improve your grip strength? The TRNR Gel Balls will have you covered. In a pack of three with a light, a medium, and a heavy resistance, they allow you to progress at your own pace. They are perfect for crushing, pinching, and finger extension exercises, targeting the flexor and extensor muscles of the hand and forearm. You can also use them for reflex exercises or even as stress relief balls. The gel