Product Description : 1. Good heat preservation effect, effective maintenance of nutritious milk. 2. Made of cotton material, heats quickly and evenly. 3. Zipper opening design, easy to clean. 4. This baby bottle warmer and heater warms quickly and evenly, it can stretch to fit most baby feeding bottles, it is easy and safe to use. 5. Fully compatible with a variety of power supplies, the power cord is USB interface. Features : 1. Portable- Easy to fold and carry 2. Heat preservation- keep the bottle warm in everywhere 3. Multi functional- Heating and warming 4. Constant temperature 42'C 5. Safe and easy to use 6. Good heat preservation effect