This lunch bag is made of reusable and eco-friendly materials, made of sturdy paper like material, waterproof and leak proof, durable and eco degradable, insulated liner is made of high quality insulated liner made of high quality aluminium foil, which keeps food, drinks, fruits, and snacks well protected and fresh, cold or warm for a longer period of time, Simple design, durability and insulation for more durability and insulation, its classic shape and design makes it ideal for people of all ages, suitable for picnics, shopping, workplaces and any other occasions, very easy to maintain, any stains can be wiped off with a damp cloth and air dry. Do not bleach or use in the washer or dryer. Do not dry clean or iron. Creases on the bag are normal to make it look more natural.