Product Parameters: Product name: lunch bag Product material: Oxford cloth, aluminum film Product color: Black , Blue , Pink , Yellow Product size:22*17*23.5cm/8.7*6.7*9.25inch Product weight:150g Carrying method:portable Scope: outdoor travel, College,Work, Picnic ,Hiking ,Beach, family Function: heat preservation, cold preservation function, large capacity Features: rainproof,Water-Repellent Package Content: 1x Lunch bag If you have any questions after receiving our products, please contact us in time, we will reply and solve the problem within 24 hours. Thank you for choosing and purchasing our products. Your satisfaction is very important to us. Happy shopping.