Vertical Jump Guarantee

At DunkNow, we pride ourselves on our technology and our products. Even though over 95% of the athletes who try our program reported to have gained the guaranteed inches on their Vertical Jump, there is still the 5% that do not meet the guaranteed gains.

Everyday we go to work trying to reduce that 5% by making our products better and our technology more effective. For now, all we can do is provide every DunkNow customer with our 6-month, no-question, 100% Money Back Guarantee. When you purchase any of the DunkNow products, we will provide you with the following guarantees:

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(How 10 inches will affect your vertical leap)