Material: Waterproof soft environmentally friendly polyester, durable smooth zipper, nylon lined. Quantity: 3PCS School Backpack + Shoulder Bag + Pencil CaseBackpack: front zipper pocket is perfect for everyday items like a data lines, airline tickets, cellphone adaptor, or other essentials such as your keys, hand towel. 2 side pockets make it convenient and easy to keep water bottle or an umbrella within reach. The main compartment stores magazines, text books, binder, a 14" laptop or tablet; 1 interior zipper pocket stows important items like credit/ID cards, receipts, wallet; 2 slip pocket can can hold cell phone and sunglasses.Messenger bag is perfect as either a matching purse or small day bag. A Zippered pouch on the exterior keeps your items secure. The main compartment is easily large enough for a phone, small book, wallet, or makeup. Pen pouch works for smaller flat items or as a matching wallet and serves as the perfect complement to either the backpack or messenger bag.Size: backpack: 10.6" Lx5.5" Wx17" H; compatible for a laptop up to 14"; Messenger Bag: 7.5" Lx2.4" Wx8.6" H. Pencil Case: 7.1 Lx0.4 Wx4.3" H