High-quality material This USB cooler bag is made of high-quality neoprene, which is durable and safe to use. It has the advantages of fast heating, fineness, antifouling, and long heat preservation time. USB charging design baby bottle can be used for portable power bank, charging socket, car USB interface, portable and safe (power bank not included). This bottle warmer and baby bottle warmer heats quickly and evenly. Easy to Clean] The bottle warmer is detachable. The heater cannot be cleaned. The case can be cleaned for cleaner use. The heating element must be removed for cleaning. Lightweight and portable baby bottle warmer with hook and loop, soft and skin-friendly, convenient and firm packaging, not easy to fall off. The carrier is easy to carry and can be hung on the crib. Wide range of uses The milk warmer is suitable for a variety of materials, such as water glasses, mineral water bottles, milk boxes, etc. Note that the bottle warmer mainly holds hot milk or hot water. It maintains the temperature and prevents it from getting cold, at the same time it is less able to carry cold water or hot milk. Color: orange, blue (optional) Package Includes: 1*Baby Bottle Cup SleeveNote: 1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding. 2. The color may vary due to different monitors, please understand. Note: Hello, please pay attention to your delivery address when purchasing products. If your receiving information (such as: name, street, house number, doorbell/email without name and other information is incorrect, the order will not be delivered correctly.)