NOW Sports Thunderball? Shaker Cup
Unique Shaker Ball,Mixes Quicker and More Thoroughly Than Standard Shakers,Plastic Ball instead of Metal,BPA-Free,Dishwasher Safe (Top Rack),NOWö Sports ThunderballTM Shaker Cup powers through thick protein powders and shakes, blending quicker and more thoroughly than standard shaker balls. Unlike a metal shaker ball, our plastic ThunderballTM floats, so you won't have to worry about the ball crashing back into the cap when you're chugging your favourite workout beverage. BPA-free and top rack dishwasher safe, NOWö Sports ThunderballTM Shaker Cups make manual blending a breeze.