Blendtec Twist Jar has the following specifications Blendtec twister jar the blendtec twister jar is designed to blend your product as this as possible. The twisting motion forces all the ingredients inside to come back to the blade ensuring a perfect blend each time it is used. It also comes with a spectacula which is specifically designed for this jar as it is the perfect length and shape to help ensure all product is used from within the jug. Key product features: easy to read markings twisting design to ensure a thicker perfect blend spectacula to ensure all product is used bpa free materials heavy use >>>>> BUY NOW <<<<< >>>>> BUY NOW <<<<<