1. Made of alloy and plastic, safe, durable, non-toxic and environmentally friendly. You can safely use the blender to cook delicious food. 2. Easy to install and remove, the damaged lid can be replaced directly. 3. The volume of the mixing bowl is 20% larger than the traditional knife lid, it allows you to cook large amounts of food without getting caught in the lid and can protect the blender blade. 4. Do not put it in the dishwasher to avoid damage. 5. Suitable for Thermomix TM5 TM6 TM31, choose according to your needs