DURABLE MATERIAL & THERMAL INSULATED: The Lining with food-grade safety aluminum foil. interior padded with 5mm thicken insulation material. protect with 300D polyester & oxford outer fabric. SCORLIA leakproof lunch bag is designed with triple Insulated to keep food stay cold/warm/fresh for 5 hours. Heavy-duty metal zippers and enhanced by bar-tacks at major stress points provide long-lasting durability against daily activities.EXPANDABLE & LARGER CAPACITY: The SCORLIA lunch bag size: 9 H x 10 L x 8 W; After expand size is 11 H x 10 L x 8 W. It's designed for maximum storage efficiency. 1 main zipped compartment (10L) which enough to hold up to 18 cans of sodas (330ml). 1 expandable pockets (4L) can hold 2 standard size lunch boxes or some tableware. 1 front zipper pocket and 2 side mesh pockets.WIDE-OPEN-DESIGN & EASY TO CLEAN: Top of the lunch bag can be opened up to 10x8 by strong zipper. which means you can put your lunch container into the bag and taken out of the bag horizontally. Wide open design is for easy access and it can prevent liquids from leaking out of the container and soiling inside the bag. which will saves your cleaning time.LEAKPROOF & WATERPROOF: The aluminum foil lining of main compartment is leak-proof through heat-pressing technology. so you don't have to worry about liquid leakage. or melting the lining due to overheating of food. Premium composite waterproof fabric is resistant to dirty and abrasion. protecting your lunch and items inside from occasional splatters or light rain.