FOOD-GRADE MATERIAL & EASY TO CLEAN Made from food-grade aluminum interior liner, waterproof for preventing spills from getting into the fabric, very easy to clean with just a wipeLIGHT-WEIGHTED & PERFECT SIZELight-weighted with enough room to fit sandwich, tupperware, meal prep container, water bottle, snacks for adults to bring to work and kids/teenagers to school; can also be changed into grocery tote bag (Dimension: 21Lx16.5Wx26.7H cm)KEEPS FOOD WARM/COOLMade from thick EPE pearl cotton, keeping food warm or cold for a long time; easily slip a ice pack to make sure food stay cold for longer timeSTYLISH & FUNCTIONALA cute, stylish and contemporary choice; a little extra pocket designed inside to hold a big phone, cutlery and keysSTURDY LUNCH BAGStrong and convenient hook & loop closure, sturdy handle and durable canvas material for long-term use