Flexible Storage: The dimensions of the laptop backpack can be 48x34x15 cm (roll-top) or 56x34x15 cm (expanded). The flexible storage space (25L to 30L) accommodates books, clothing, A4 paper, and a laptop, meeting your various needs for work, school, leisure, cycling, and weekend trips.

Water-Resistant: With water-repellent film fabric over a large area, water-resistant polyester material at the bottom, and SBS water-repellent zippers, the backpack helps repel water and keep the contents dry.

Two Access Points: You can quickly and conveniently access items in the backpack either through the roll-top opening or the back zipper opening, depending on your needs.

Ample Space for Pockets: The main compartment features a padded section measuring 43×31×3.5 cm for a laptop (up to 17"), a padded pocket for a 10.5"/11" iPad Pro, and a left pocket for a power bank. The two side pockets can hold a water bottle and an umbrella. Additionally, the two front pockets and other small pockets can store various items.

Headphone/Charging Port: A soft rubber headphone port is designed to allow a headphone cable or charging cable to pass through. You can conveniently listen to music or charge your device while on the go.

Water-Resistant Zippers: All zippers on this backpack are SBS water-repellent zippers, which help repel water and fully protect your valuable items on rainy days.

Enjoy Music/Use Chargers Freely: The cross-shaped headphone port is made of soft rubber. The headphone cable and charging cable can easily pass through without allowing dust to enter. You can enjoy music or charge your device without having to hold it in your hand.