Feature: 1. Warming Effect: The portable bottle warmer keeps warm baby breast milk at the right temperature for your daily needs 2. USB Power: The car bottle warmer is compatible with a variety of 5V 2A USB devices, such as power banks, laptops, charging adapters, etc 3. Small and Compact: The bottle warmer for breastmilk has a small and compact design for easy portability and storage 4. Stable Bottom: The portable bottle heating bag has a stable bottom design, the bottle is not easy to come off 5. Scope of Application: The baby bottle warmer is suitable for outdoor use, parents can conveniently, safely and easily keep the bottle warm in the car, while traveling Specification: Item Type: Portable Bottle Warmer Material: Cotton, Spandex Blend Product Size: Approx. 26.5 x 13cm / 10.4 x 5.1in. Package List: 1 x Insulation Bag1 x Heater Note: Environmental Protection Statement: No Fluorescent AgentThe Product is a Insulation Bottle Without a Heating Function, So It is Necessary to Put Milk at a Suitable Temperature into a Insulation Bottle for Insulation and Cannot Heat a Low Temperature