Come and see our amazing products. The zipper of the main pocket is fully hidden in the back of this bag, no theft will easily open your backpack. Water repellent Travel Rucksack made with tear-resistant durable nylon fabric and its dual-access zipper with anti-theft design allows for easy access and increases safety. Custom logo is welcomed! Pls confirm with us about the packing info, stock color and exact production time before placing your order.