During outdoor activities, the 360° surround cooling tube technology keeps breast milk cool for more than 24 hours, maintaining its freshness and reducing nutrient loss.

Easy and convenient: Just put the cooling tube in the refrigerator (around 0°C) 12 hours in advance (changing the freezing period as necessary), then move it to the milk cooler for convenient use. 22 oz individual storage capacity: You can satisfy your feeding and storage requirements all day long with 22 oz individual storage bottles.