Blender Bottle SportMixer Twist Cap Tritan Grip Shaker 20Ounce Black 20oz C03250

20-ounce capacity (note: measurements only go to 17 ounces) shaker cup for mixing protein shakes, smoothies, and supplements, Patented mixing system uses 316 surgical-grade stainless steel BlenderBall wire whisk found only in BlenderBottle brand shaker bottles, Foldaway loop for portability without bulk, and a firm, feel-good textured grip; made of stain and odor resistant durable Eastman Tritan plastic