Premium Protein Shaker Lid with Mixing Ball - Leak-Proof Blender Bottle Accessory for Gym, Workout & Post-Workout Recovery

Leakproof: Twist-on lid includes handle loop for easy carrying. Spout pops open for easy drinking access. 
Fits Multiple Vessels: This flip lid comes in a variety of colors, and fits on the Simple Modern Rally Protein Shaker and Simple Modern Classic Tumbler vessels. 
Shaker Ball Included