The updated BlenderBottle Classic adds a new, convenient carrying loop and flip cap design to the world"s best-selling shaker cup. The BlenderBall wire whisk moves freely inside the bottle as you shake, mixing even the thickest ingredients with ease. The BlenderBottle Classic features a secure screw-on lid, a wide mouth for easy mixing, and embossed markings that measure both ounces and milliliters. The BlenderBottle Classic is dishwasher safe, BPA- and phthalate-free, and comes in three different sizes. Perfect for protein shakes, smoothies, pancake batter, scrambled eggs, fiber drinks, dressings and meal replacements.