Come and Check Our Branding Solutions.Carry on bag is made of lightweight waterproof polyester and scratch materials, which can be protected in rainy days. The Travel Backpack metal zipper adopts double-sided smooth railing and reinforced sewing, lightweight, rainy day, can provide leak-proof protection for items; the anti-theft zip pocket in the back of the luggage backpack is to protect your valuables,let you take the key,cash,etc Valuable objects. Pls check inventory and detailed info before placing your orders.