Large Capacity Waterproof Lunch Bag with Drawstring Closure Thick Insulation Cooler Bento Bag for Picnic Work Student Handle Bag Large Capacity Waterproof Lunch Bag with Drawstring Closure Thick Insulation Cooler Bento Bag for Picnic Work Student Handle Bag 1. Three-layer thick silver film insulation The silver film coating and three-layer thickened fabric effectively insulate and keep warm in winter and cool in summer. They meet the use needs of all seasons and ensure that the contents are kept at the ideal temperature for a long time. 2. Durable and high-quality materials Selected nylon and pearl cotton composite fabrics with silver-film-coating thermal insulation, lightweight and high-strength, wear-resistant and easy to clean, durable and extend the life of the product. 3. Ergonomic drawstring and internal pockets The lunch bag is equipped with a drawstring for easy opening and closing. Its large opening makes it easy to transport and store items. Special internal pockets can easily store tableware and keys. 4. Widened anti-pinch handle The widened and optimized handle provides a comfortable grip to prevent pinching when lifting. It combines practicality and ergonomics to make daily transportation more pleasant. 5. Large capacity, multi-functional storage It can easily accommodate 2-3 lunch boxes, and the internal space is flexibly divided, which is suitable for work, outdoor and other occasions to meet the unique carrying needs of users. _x000D_ _x000D_