Rally Protein Shaker

Double Wall Insulation:?Keeps beverages hot or cold for hours.Leakproof: Twist-on lid includes handle loop for easy carrying. Spout pops open for easy drinking access. Compatible with Simple Modern Classic Tumbler vessels.?Cupholder Friendly:?24 Ounce Capacity ¨C Measurements marked inside vessel?Shaker Ball IncludedPat/Pat Pend.