Durable: This baby milk warmer is made of super soft fabric, the insulation is wear-resistant, durable and reliable, heating is fast and even. Insulated milk: Hot milk cools quickly when cold. The freezer bag will keep you warm for a long time (about 40C), allowing your baby to enjoy warm and healthy breast milk. Compared with traditional milk powder, the baby can't wait and the parents are sleep deprived. The milk warmer needs to press the switch to solve the problem of drinking milk at night Compatible with most power sources: USB interface, this travel bottle warmer works with the most power banks, charging heads and car chargers, but only works with 5V 2A power sources (Note: The product does not contain milk and baby bottles). Easy to clean: there is a zipper, you can clean the bottle cover after removing the heating sheet inside. Portable bottle warmer: small and compact, easy to carry and store. Applicable bottle: diameter 5-8CM, bottles of different capacities on the market can be used. Applicable bottle material: plastic, silicone , glass, iron box, cardboard and other materials. We only sell bottle warmers, not other items. r the photos. Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Due to manual measurement, please allow slight size errors.