Features:

Size: 15.6"
Capacity: 21L
Dimensions: 320 × 160 × 440 mm
Large capacity main compartment: Simple storage for personal items
Comfortable, curved shoulder straps
Water-resistant fabric: Outstanding usability and protection come rain or shine
Attaches to luggage Travel made simple
Hidden anti-theft pocket
Non-slip side pocket: Secure storage for water bottles and umbrellas