Large Capacity The size of the lunch bag is 35 x 19 x 14 cm (L x H x W). It offers enough space for all the breakfast and lunch you want . The heat preservation time is about 3 hours, and the freshness keeping time is about 5 hours. Premium Material 600D Oxford cloth + thickened aluminum foil materials, it is harmless and safe for your diet and health. Perfect for bringing healthy meals or snacks to office, school, picnics, travel and other outdoor activities. It can be folded after use for easy storage. Easy to Clean The insulated bag is waterproof and the interior is very easy to clean. If your bag gets dirty or soup spills on it, simply wipe it with a sponge or damp cloth. Unique DesignThe handle of this thermal bag is sturdy and sewn together with the tote bag, not easy to tear. At the same time, long-term use will not hurt your hands. Multi-function Bag Upgraded insulated non-toxic aluminum foil is perfect and healthy for packing your food and fruits. At the same time, it can also be used as a sundry bag, tote bag, baby bag, handbag and so on.