1.Usage: The cover of our r is a replacement product specially designed for Eastman Tritan 64oz container, diameter: about 15cm/5.9inch, push rod opening size: about 5x5cm/2.0x2.0inch, fit for 64oz container. easy to install and use. 2.Quality Assurance: Quality is strictly controlled at every stage of the production process to provide consumers with products. If you have any questions about our products, we will do our to address them. 3.How to use: Insert the lid plug into the lid, turn it clockwise to tighten, remove the lid plug, use a tamper or add ingredients. When the machine is running, be sure to use a proper cover to ensure the normal operation of the machine. 4.Blender Lid with Stopper: Twopiece lid for easy installation, removal and use. Place the lid on the container and place the lid between the spout and handle. The container lid has a removable stopper with measurements marked on it.