RFID Function Introduction Laptop backpacks for vacation work are equipped with RFID bags, which can seal RFID signals and protect our personal information (such as ID credit cards and passports). It can prevent criminals from stealing your credit card. Therefore, there is no need to worry about our items being stolen. Xternal USB Charging PortLuggage Strap / Suitcase SleeveAnti-Theft Back PocketRfid anti-theft designBuilt-in keychainSeparate laptop pocketWater cup/umbrella pockets on both sides WIDE OPEN DESIGN Large capacity&multiple compartments 1 x main zipper pocket (with multiple small compartments)1 x laptop bag for 15.6-inch laptop1 x for IPAd pocket2 x side pockets2 x front pockets for items1 x RFID pocket1 x anti-Theft Back Pocket