Polyester lining Zipper closure Quantity: 4PCS–Backpack + Shoulder Bag + Pencil Case + Back Shopping Bag.They are Made of durable and practical high quality canvas. Backpack Approx Dimensions:17.3 x 6.3 x 12.2(up to fit 14 laptop). Shouler Bag Approx Dimensions:9.4 x 2.8 x 7.4. Purse: Approx Dimensions:7.1 x 0.4 x 3.9. These Canvas backpack set design with multi pockets.The backpack can use be used as school backpack,laptop backpack.Perfect for carring books,laptop,tablet,water bottle,umbrella,etc. Great for casual day use and for students going to school & college. Fashionable and super cool. Perfect gift for you and your friend. This sturdy canvas backpack has padded straps for comfort, padded cushion protection for laptop or tablet and padded cushion to protect your back when you carry something heavy.