Smart Stability Balls

(4 customer reviews)


User Height : Suggested Ball Size
5’4” and under : 55cm (Yellow)
5’5” – 6’0” : 65cm (Green)
6’1” and over : 75cm (Blue)


The Smart Stability Balls are self-guided for users at all fitness levels. They feature 13 exercises that are printed on the ball for easy reference. This yoga ball can help improve your posture and reduce back pain. Smart Stability Balls are also a great way to increase your core strength and flexibility. So if you’re looking for an inexpensive way to improve your health, then a stability ball may be the perfect solution for you!

Exercising with a stability ball can be a fun and challenging way to work out your entire body. These exercise balls come in a variety of sizes, so it is important to choose the right one for you. Once you have your ball, you can follow these exercises to help improve your strength, balance, and coordination.

Three sizes available, each are burst-resistant (PVC construction) and includes a pump.


  • Self-guided, comes with 13 exercises to get you moving right away
  • 3 sizes allow for a comfortable fit.  You should be able to sit on the ball comfortably!
  • Great for improving balance, coordination, and strengthening your core

User Height : Suggested Ball Size

5’4” and under : 55cm (Yellow)
5’5” – 6’0” : 65cm (Green)
6’1” and over : 75cm (Blue)

Proper Smart Stability Ball Inflation

Proper Inflation is important to get the most benefits out of your Smart Stability Ball!

1/2 Circumference: Inflations Hole to opposite Side of Ball (Injection Spot)

  • For Diameter 55cm, 1/2 Circumference Should Measure 86cm
  • For Diameter 65cm, 1/2 Circumference Should Measure 102cm
  • For Diameter 75cm, 1/2 Circumference Should Measure 118cm

4 reviews for Smart Stability Balls

  1. Amanda W. (verified owner)

  2. Roselee (verified owner)

  3. Jaime W

    I absolutely love our Prism ball. We have the green one. I know that we should have the right size for our height but we use it for multiple reasons. We homeschool and wanted a ball that could be used at the table so the kids and I could have more movement while working. We also use it for different exercises. The kids like making up new ones but I love that there are movements printed right on the ball. This ball comes ready to inflate with its own pump and tape measure. Great activity for the kids. Also, I liked the help with knowing how much air to properly inflate the ball with. This ball also comes with extra plugs and a tool to remove them. Very well thought out. Thanks Prism.

    • prismfitness (store manager)

      Jaime, we are so glad you are happy with your Smart Stability Ball, and we are glad you are also able to use it for everyday movement. Your feedback is appreciated.

  4. Andrea Consiglieri (verified owner)

    Excellent products. Very happy with overall experience.

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