Isolator Fitness 4 Meal ISOPACK Meal Prep Management Backpack Insulated Lunch Pack Cooler with 8 Stackable Meal Prep Containers, 2 ISOBRICKS - MADE IN USA (Charcoal) Fully insulated meal management system MADE IN THE USA! All bags are manufactured using YKK zippers! Hidden Insulated Front Pocket keeping contents cold, 2 Mesh Side Pockets good for carrying tall bottles. Containers are BPA free/microwave/dishwasher/freezer safe/stackable and recyclable. 8 leak resistant container sizes included are: (2) 16oz, (2) 12oz, (2) 28oz, & (2) 38oz. 2 reusable ice packs keeping your food cold for up to 12 hours.