17.3 inch Laptop Backpack Large Capacity: Soft lined laptop rucksack accommodates laptop/Ipad/Computer less than 17.3 inch with enough enormous space.Independent Compartments 20+ make your things well classified. Water-resistant: This backpack is waterproof splashing in daily using, but please do not use it for the rainy day and heavy rain. Comfortable Straps: Thicken shoulder straps combined with padded back cushion brings you a great comfort. Safety Design: The anti-stuck design zipper has its own keyhole. You can lock the bag pack with anti-theft lock to protects your wallet and other valuables inside from thief.Tight light reflective keep all the users safe when use the backpack in the night or dark area. More Functions: Featuring earphone hole gives convenient access to earphone usage, external built-in charging USB cable offers a convenient charging of your electronic device anywhere. Application: Perfect for business trips travel hiking gaming or weekend getaways or for simply daily heading to the office or school and home again.