The Medium Power Trainer works well for those who use a 11, 12 or 13 lb bowling ball.  

The Power Trainer:

• Improve core strength
• Straighten arm swing
• Improve balance
• Improve power 

Sizes: 

• L (6.5* lbs) Approximately 8 1/4" in diameter
• M (5* lbs) Approximately 7" in diameter
• S (3* lbs) Approximately 6" in diameter

   *Note: All weights are approximate

Recommended Size vs Your Ball Weight: 

• L = 14 to 16 lb ball
• M = 11 to 13 lb ball 
• S = up to 11 lb ball

More about the Power Trainer:

Made of a soft silicone rubber, the comfortable finger holes are slightly flexible allowing for larger finger sizes. The design of the product makes it useful as a two-handed training device as well as being an exceptional power trainer for single-handed bowlers. Amp up the training exercise by two at the same time - one in each hand. 

All of our tools are made of a durable and flexible silicone rubber (latex free).

Colors and Custom Colors:  The colors shown in the pictures are just a sample of the colors we create.  When you order, we will send you whatever colors we currently have made.  If you are interested in ordering this product in custom colors, you can call us with your order at 1-888-777-4955.  We charge an additional $5 per item for custom color requests.  

All products are handmade by Eileen's Bowling Buddy, LLC in our shop in Tarpon Springs, FL. We are not mass producing our products, we hand pour and color each item. Because of this, you may find that your device has a dot or streak of color you weren't expecting, or small imperfections that are non impacting to the performance of the product. We like to call these the "character" that makes your device one-of-a-kind! 

Shipping:
All orders usually ship within 7-10 days.  If order volumes are high, it could take longer for your product to ship.  

Large Orders: for the best shipping price, please email us (swingit@eileensbowlingbuddy.com) with a list of the items you would like to purchase and your shipping address.  We will put together a package for you including the best possible shipping price and email you back a link to purchase your order.  Any changes to your order my change the shipping cost.   

International Orders: for the best shipping price, please email us (swingit@eileensbowlingbuddy.com) with a list of the items you would like to purchase and your shipping address.  We will put together a package for you including the best possible shipping price and email you back a link to purchase your order.  Any changes to your order my change the shipping cost.