The best mixer since the wire whisk! Just drop the patented Blender Ball® into the bottle with your ingredients, screw on the top and shake. It's ideal for blending nutritional drinks, salad dressings, pancake batter, sauces and marinades and more. Even blend/mix dry ingredients such as spices. It mixes even the thickest of ingredients with ease. Features include an easy-grip design, ounce and milliliter markings, Stay Open® top, easy-clean design, secure screw-on lid, a large drink/pour spout and a wide opening to easily add ingredients. It even fits most car drink holders. Made of surgical-grade stainless steel. BPA free. Dishwasher safe. Holds up to 28 oz.