The Momcozy Cooler Bag LG001-GR00NB-A is designed to keep your items at the desired temperature, whether hot or cold, for up to 5 hours without the need for an ice pack. This versatile bag features two-layer compartments that can be transformed into a single, tall compartment to accommodate larger items like thermos kettles. It also provides organized storage for smaller items such as diapers and bottles.