Material: Stainless steel and food grade plastic. Perfect for hot water, coffee, tea, soup or as a bottle warmer. Simple design : non-slip bottom, lid to prevent boiling water from spilling, insulating plastic handle, compartment with sufficient height for this purpose in the car, indicator light for operation, 300 ml capacity sufficient for personal use, separate cup, harmless to health. 70W heating power, fast water heating. 12 V car adapter with 1.2 m power cord included. Applies to all cars. Instructions: 1. Clean the cup body and all parts with neutral detergent before use. 2. Add a small amount of water before use to preheat, pre-cool, keep warm and keep cold better. 3. Tighten it clockwise. lid to prevent leaks Areas needing attention: 1. Do not place it next to the heat source, so as not to affect the function of use 2. Avoid any form of direct heating by children, so as not to damage the vacuum layer and deformation and discoloration of plastic parts 3. If you add dry ice,
