Baby bottle sleeve covers thermal warmer bag for Hegen

Name: Hegen milk bottle insulation bagMaterial: Diving materialSpecifications: 150 ml, 240 ml, 330 mlHeat preservation: 2 hours in summer and 40 minutes in winterFunction:1. protect the bottle from wear;2. prevent the bottle from falling and breaking;3. it is convenient to carry the bottle out;4. dust, static and scratch prevention;5. easy to grasp the bottle;6. keep the milk temperature in the bottle;