The Classic™ shaker revolutionized the industry in 2004 with its iconic design, leak-proof seal, and BlenderBall® wire whisk. The patented mixing system and adjustable carry loop complete this workhorse bottle. BPA-free polypropelene. Care: Do not microwave, top-rack dishwasher safe. Not intended for use with hot or carbonated liquids. Size: 28 oz. Color: Black.