Insulated & Leakproof Cooler Funtion: Size: 19x13.5x9.5 inch. Extra large lunch backapck with lunch box compartment keeps food fresh and warm for about 2-4 hours, which makes it easy to clean and store food. MATEI travel Laptop backpack cooler lunch bag is suitable for nurse work, college, beach, office, picnic, trip, travel, camping (Please check your 17.3 Inch laptop's size before purchasing) Storage Capacity & Organized Pockets: Main spacious packing compartment of this laptop work backpack roomy for tech electronics accessories, daily necessities, magazines, make your items organized and easier to find. High-quality zipper of college backpack for women ensure smooth use, sturdiness, extended the use of lunchbox bags. Nurse backpack for women provides independent space for your laptop, mobile phone, lunch box, clothes, water bottle, umbrella, keys, wallet,etc Convenient USB Charging Port: USB charging part of this college laptop backpack makes it easy to charge your phone