Come and see our amazing products. Expandable backpack has smooth zippers on side. Once pull on the zipper, bag will offer large capacity up to 32L for you to store more stuffs.Armored laptop backpack is made of high-density waterproof PC&ABS hard shell and oxford to ensure your items stay dry during light rain. Thickened pearl cotton and soft polyester lining will protect your laptops from shock and scratch.The lightweight travel backpack with scan smart technology can be freely opened 90-180 degrees, keep your things tidy. TSA customs lock can protect your items from thieves.Adjustable anti-slip breathable S-shaped mesh shoulder straps with plentiful sponge help relieve the stress from your shoulder. 3D honeycomb breathable back cushion can reduce the sultry feeling of the back.Built-in removable charging cable Pls confirm with us about the packing info, stock color and exact production time before placing your order.