Amazon is offering this Blender Bottle with Shaker Ball 20 Oz, Pack of 3 (Blue, Red, Black) for $18.99 with free shipping on orders of $25 or more or 2 day free shipping for Prime Members. The updated BlenderBottle Classic bottle adds a new, convenient carrying loop and flip cap design to the tried-and-true original BlenderBottle. The patented Blender Ball wire whisk moves freely inside the bottle as you shake, mixing even the thickest ingredients with ease. The leak-proof seal, premium materials, and unparalleled mixing – coupled with the new additions – further reinforce the Classic’s position as the world’s best-selling shaker cup. Features secure screw-on lid, 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. Pack of 3 Blender Bottles.