DunkNow LLC. is located in San Jose, California. Our mission today includes building not only a product but a tool for generations of athletes who wish to elevate their game and increase their Vertical Jump abilities. Since 2001, DunkNow LLC. has outsold and outperformed all other Vertical Jump tools combined. We have built a company on trust and quality and our products today stand in a league of their own.
With every purchase of a DunkNow product, we can assure you countless hours of research and numerous studies that have gone into making the product absolutely perfect. We also guarantee that if for any reason the product doesn't suit your needs and you don't gain the guaranteed inches, we will fully refund your money within 6 months, no questions asked.
For a company tour of our facilities, please feel free to contact us at Questions@DunkNow.com.