WATERFLY travel backpack backpack college Roll Top Backpack 16/21L Rucksack fit 16 Inch anti theft Waterproof Laptop Casual Rucksacks Rolltop Daypack Cabin Bag for Women Men Travel hiking Work School

Waterfly. Roll-top expandable: The adjustable roll-top backpacks design allows this backpack to expand from 16L29x14x41cm to 21L29x14x52cm), weight: 680g, providing ample space for your work, school, leisure, cycling, and travel necessities. Versatile storage: The spacious main compartment is divided into a padded compartment for a laptop up to 16, a padded compartment for an iPad up to 11, and a zippered pocket for easily storing small items. The front zippered pocket and mesh pocket provide convenient storage for quick-access items. Side pockets can store water bottles and umbrellas, which is very practical. Premium quality and durable: This roll-top rucksack is made of easy-care, water-repellent, scratch-resistant, and tear-resistant polyester fabric that can easily withstand rain splashes do not use it for a long time on rainy days). Reinforced stress points ensure long-lasting durability. Equipped with SBS zippers, which are smooth and easy to open. Thoughtful design: The hidden p