How to pick✔️ 보냉 = keeps cold, 파우치 = pouch, 백 = bag, 겔 아이스 팩 = gel ice pack;

bigger ml means bigger. A cooler bag needs an ice pack to stay cold. The rectangular 375ml gel pack is ₩1,000 and fits the bottom of the bag. Freeze it first; no freezer in your room? Ask the front desk.