GYakeog Rolltop Backpack Waterproof for Women & Men 33L Large Bike Backpack 15 inch Laptop Backpack Lightweight Perfect for Work School Travel and Outdoor Activities-Black

VERSATILITY AND PRACTICALITY: The expandable roll-top backpack has a zipper opening on the back for quick access to your belongings. This laptop backpack with laptop compartment is perfect for work, travel, commuting, business trips, vacations, and more. It is not only a daypack for travel, but also a perfect gift for men and women.
^^ EXPANSION DESIGN: This waterproof backpack has a chic and minimalist design. The stylish roll-top design expands the capacity from 26L to 33L, and the size ranges from 18.5 ' * 7' * 12.2 ' to 23.6 ' * 7'' * 12.2 inches, meeting your various usage needs.
^^ WATERPROOF FABRIC: This bike backpack is made of waterproof and abrasion-resistant fabric that protects your items from liquids and scratches. The fabric is very durable and keeps your belongings dry and tidy even on rainy days.
^^ LARGE CAPACITY: The main compartment of the roll-top backpack has a laptop compartment for laptops up to 15 inches. The side pockets provide space for water bottles and are secured with straps to prevent them from slipping. A large main compartment and additional smaller compartments provide space for everything you need for your daily commute and weekend trips.
^^ COMFORTABLE AND DURABLE: The Rolltop backpack's ergonomically padded shoulder straps and breathable back padding ensure maximum comfort, while the sturdy materials guarantee a long life. It looks compact, but when unfolded it can carry a considerable load, making it a perfect combination of comfort and functionality.