Wide Opening: The insulated lunch bag comes with a wide foldable opening, top of the bag can be opened up to 30cm L x 16cm W, that means your lunch container and foods can be easily put into the bag and taken out. Suitable for 2 Sistema lunch box and more.Long-term Preservation Keeps the food at the right temperature and keeps the food smell away. Upgraded lunch tote bag is made of 5 layers for better insulation and cold preservation. It keeps warm/fresh for 6 hours, keeps chilled for 12-14 hours with ice packs, it also depends on the temperature of the surroundings. Ice packs are not included with this tote.Lightweight & Portable: Size 27.5*16.5*27cm, only 350g, designed with a strong handle, which highly stitched with the lunch cooler bag, not tear easily also ensure your comfortable carry. Great small lunch bag for women for work, school, outdoor picnic.Leakproof: Lining is made of insulated material, which is leak proof and wear-resistant, keeps food fresh. Easy to wipe off. The outer material of the adults lunch bag is water-repellent, which means you can use it on rainy or overcast days to keep the food Fresh inside. Perfect for the dayshift work.