Product Review

The GSI (German Sport Innovation) is an innovative team of athletes and engineers whose aim is to revolutionize the current Shaker market. We have created a sensational Shaker that stands for and epitomizes the highest standards of function, design, and quality. The result is a Shaker with an absolutely breathtaking design that delivers the best mixing results ever. Convenient 2Go solution by filling the 2 bottom containers with the supplements of your choice and screwing both onto the bottom of the Spider Bottle Cup.