HEROIC KNIGHT Rolltop Backpack, 15.6 Inch Waterproof Laptop Backpack with USB Charging Port, Expandable 18-27L Travel Backpack for Men Women, Casual Daypack for Work Business College-Black

ORIGINAL DESIGN: Designed by Heroic Knight, this backpack features a chic, minimalist style. The roll-top design allows the capacity to expand from 18L to 27L, with dimensions ranging from 11.8" 5.9" 17.7" to 11.8" 5.9" 23.6", making it suitable for a variety of daily and travel needs.
^^ EXCELLENT FABRIC: Made from waterproof and wear-resistant fabric, this roll-top backpack helps protect your belongings from spills, scratches, and light rain. Hidden waterproof zippers add extra protection, keeping your items dry and secure even on rainy days. ^^
LARGE CAPACITY & ORGANIZED: A padded rear zipper compartment fits laptops and tablets up to 15.6", allowing quick access without unrolling the bag. Side pockets for water bottles feature secure adjustable straps, while the spacious main compartment and additional pockets easily store essentials for daily use or weekend trips. ^^ CONVENIENT
USB PORT DESIGN: This roll-top travel backpack includes an external USB charging port with a pre-installed cable (power bank not included), allowing you to charge your phone on the go during commuting or travel.
^^ EXTREMELY COMFORTABLE: Designed with an ergonomic back system, breathable padding, and padded shoulder straps, this backpack helps reduce pressure for all-day comfort. Compact when rolled down and spacious when unrolled, it offers the perfect balance of comfort and practicality.
^^ VERSATILITY & PRACTICALITY: Multiple pockets and zippers enhance versatility and everyday functionality. Ideal for work, commuting, travel, business trips, and vacations, this laptop backpack also makes a thoughtful gift for both men and women