Blendtec 40-621-60 Foaming Twister Jar is designed for optimal frothing and blending. This 16 oz. container features a unique wave blade made of stainless steel, enhancing its frothing capability for creamy textures. Weighing just 1.4 lbs, it is constructed from durable Eastman Tritan material, ensuring clarity and strength. The jar is BPA-free and NSF certified, making it a safe choice for food preparation. Ideal for creating frothy beverages and smoothies, this jar combines functionality with quality for an exceptional blending experience.