About this item

• 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
• Shaker cup ideal for blending drinks like protein shakes, smoothies, and supplements; holds up to 20 ounces (although markings go only up to 17 ounces).