Helimix Shaker Bottle: A gym essential for every workout. No need for a shaker ball or whisk, just shake and blend for a perfect protein shake. Great for pre workout, post workout and intra workout supplements. | Utility Patented Vortex Blender: Helimix uses a patented vortex blender design to mix powders and supplements. | Odor Resistant Material: Copolyester plastic is odor resistant and BPA/BPS free for clean supplements. Helimix Shaker Bottles are made in America withf American sourced materials. Even the packaging. | Shatterproof and Easy to Clean: Shatterproof plastic is top rack dishwasher safe for quick and easy cleaning. | Leak Proof and Portable: Features a sturdy loop for easy transport and a leak proof design to prevent spills.