1: [technology]: This Blue Mini lunch bag for men and women is made of high-quality waterproof Oxford cloth outside, so it doesn't need to be afraid of rainy days to prevent water leakage. And equipped with high-quality zipper, inner insulation material, high-quality durable short handle, easy to carry and durable. Equipped with fashionable side pocket, it can be used to place mobile phones, keys, cards, etc., which is more convenient for daily use. 2: [food preservation (heat preservation): Men's and women's small stripe lunch bags are equipped with waterproof lining, heat insulation layer and aluminum foil lining to keep food fresh, warm / cold. Keep the food cool for several hours, so that you can have a fresh and warm lunch even if you go out. 3: [standard lunch bag size]: Insulated Lunch Bag, enough for one person. It looks small, but it's big. It is very suitable for lunch boxes, snacks, fruits, etc. the front bag design can be used to put napkins, mobile phones, credit card payment, etc. 4: [this lovely lunch bag is exquisitely designed, simple and generous, and can be used for work, school, outdoor travel and daily use. It's perfect for students, office workers and children. It's easy to go anywhere, like day tours, beaches and sports. 5: [easy to carry]: this small lunch cold bag won't take up more space. The lunch bag is light, foldable, easy to carry, soft and light, so you can carry it anytime and anywhere. It is very suitable for men and women. It is suitable for lunch bag, thermal insulation bag, picnic bag or shopping bag. Size: 23 * 14 * 20cm [technology]: This Blue Mini lunch bag for men and women is made of high-quality waterproof Oxford cloth outside, so it doesn't need to be afraid of rainy days to prevent water leakage. And equipped with high-quality zipper, inner insulation material, high-quality durable short handle, easy to carry and durable. Equipped with fashionable side pocket, it can be used to place mobile phones, keys, cards, etc., which is more convenient for daily use. [food preservation (heat preservation): Men's and women's small stripe lunch bags are equipped with waterproof lining, heat insulation layer and aluminum foil lining to keep food fresh, warm / cold. Keep the food cool for several hours, so that you can have a fresh and warm lunch even if you go out. [standard lunch bag size]: Insulated Lunch Bag, enough for one person. It looks small, but it's big. It is very suitable for lunch boxes, snacks, fruits, etc. the front bag design can be used to put napkins, mobile phones, credit card payment, etc. [this lovely lunch bag is exquisitely designed, simple and generous, and can be used for work, school, outdoor travel and daily use. It's perfect for students, office workers and children. It's easy to go anywhere, like day tours, beaches and sports. [easy to carry]: this small lunch cold bag won't take up more space. The lunch bag is light, foldable, easy to carry, soft and light, so you can carry it anytime and anywhere. It is very suitable for men and women. It is suitable for lunch bag, thermal insulation bag, picnic bag or shopping bag.