Relentless Nutrition Perfect Shaker Cup

No more losing that annoying blender whisker ball! Introducing Relentless Nutrition's perfect shaker cup, proudly made in the USA with innovative ActionRod Technology to effortlessly mix even the toughest shakes. 

• BPA-free
• Leak-proof
• Shatter-resistant
• Dishwasher safe 

*Hand wash preferred, or top rack only