4pcs Reusable Ice Packs For Lunch Boxes & Coolers, (6"X4"X0.7") Slim Freezer Packs For Lunch Bags, Small Cooler For Picnic & Camping,44655774

Cooler Ice Pack:Simply put these ice packs in water,and then freeze hours, and enjoy up cold retention! Perfect for keeping lunches fresh. Functions & Benefits - The 2026 upgraded 4-piece ice pack is mainly used for keeping food cold in lunch boxes, coolers, beverages, and salads, etc. It avoids the waste of disposable ice packs and is very suitable for household use. Size Details - Dimensions: 6"*4"*0.7".It is soft and slim,easily fits into various lunch bags, lunch boxes, shopping handbags, breast milk bags, and coolers. Multi-scenario Use - Suitable for lunch boxes,camping, and picnics.It has a certain degree of flexibility and can fit various containers. keeps sandwiches, sushi, salads fresh and drinks icy for long. (Not recommended to cool room-temperature drinks directly) How to Use - First, soak the ice pack in water for 3-5 minutes until fully expanded with water. Then, place it in the freezer for 6 hours before using. Tip: No cooling effect if not soaked first. For better cold retention, you can also choose to stack multiple ice packs together.