1. HIGH QUALITY: The insulated lunch bag is lined with Food-grade thickened aluminum foil, padded with high density EPE foam, and outlayer is made of premium waterproof fabric, Dual SBS zipper is smooth and durable.Exquisite sewing technology makes this reusable snack bags more reliable and durable<br> 2. GOOD INSULATION: The insulated lunch box can keep your food cold or warm for hours, which is perfect to carry ONE PERSON'S simple lunch or breakfast, If you put an ICE PACK in the lunch bag, the insulation performance will be even better<br> 3. EASY TO USE: The universal size is suitable for adults and children. SMALL SIZE makes it easy to carry lunch and snacks for office, to take personal small items or standby medicine with you, Also you can use it as a make-up bags<br> 4. PORTABLE: Its compact, rectangular shape fits nicely into a backpack, tote bag or suitcase. It can be compressed and folded, so it won't take up too much space<br>