Helimix Shaker Bottle uses utility-patented technology to mix your shakes without the need for annoying agitators bouncing around inside. As with any shaker, add liquid and then supplements to prevent anything from sticking to the bottom while mixing. Responsibly Made in the U.S. with 100% American materials.
https://www.fitnessrap.com/pro....duct/helimix-2-0-vor