?Built In Detachable Gel Packs:The Small Cooler Bag With Removable Gel Packs. It'S More Easier To Clean Or Put Into Fridge.You Don'T Need To Waste Money On Separate Ice Packs Or Gel Packs. You Can Also Take Out Gel Packs From The Freezable Lunch Bag And Used On Other Things.Suit For 3+. | | ?2 Ways Frozen: 1 Collapse And Freeze The Small Lunch Bag Overnight (12 Hours), 2 Just Freeze The Gel Packs(6 Hours) Horizontal Before Putting Back Into The Small Insulated Bag, Instead Of Freezing Entire Bag That Save Freezer Space And Time. The 2 Ways Can Keep Food Cool Or Fresh Longer. Ideal For Travel/Picnic/Work/School/Adventure. | | ?Stay Cold Longer:The Rectangular Shape Allows Room For The Freezer Lunch Bags To Hold A Small Container Or Bottle. Ideal For Packing Healthy Foods Or Items Need To Be Keep Cool Such As: Yogurt,Breast Milk,Snacks ,Cut Fruits, Cheese, Apple Sauce,Insulin Medicine. Food Stays Cool And Fresh All Day, Reducing Waste And Saving Money. | | ?Fun Design:This Free.