Premium Protein Shaker Lid with Mixing Ball - Leak-Proof Blender Bottle Top for Smoothies, Pre-Workout & Post-Workout Drinks - BPA-Free Gym & Fitness Accessory

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