Patented mixing system uses 316 surgical-grade stainless steel BlenderBall wire whisk found only in BlenderBottle brand shaker bottles
Compact folding loop for easy transport without added weight, along with a sturdy, comfortable textured handle; constructed from durable, stain-resistant, and odor-resistant Eastman Tritan plastic.
20-ounce capacity (note: measurements only go to 17 ounces) shaker cup for mixing protein shakes, smoothies, and supplements