Features: This expandable lunch bag boasts a spacious capacity with double layer expansion, preventing food squishing while accommodating all your meals, snacks, and essential for convenience. Constructed from Oxford fabric with 5mm EPE insulation for 6 hour heat retention and 12 hours cold retention,and a leak proof EVA lining for easy cleaning, ensuring food protections. Ideal for adults, both men and women, including busy professional, students, and outdoor enthusiasts seeking a dependable insulated lunch bag for daily use. Perfect for commuting to work, school lunches, picnics, or travel adventures, keeping your food freshness and secure in any environment. Featuring a large pocket that securely holds bottles up to 40 ounces and an adjustable shoulder strap, this lunch bag enhances portability and comfort for on the go lifestyles. Specifications: Component: Oxford Cloth+aluminum Film+PEVA Size:Approx. 25x18x25.7cm/9.84x7.09x10.12inch Color:Black/Gray/Navy Blue Package Includes: 1 X Insulated Lunch Bag note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.