**Product Specifications:**
Brand: MARK RYDEN
Model: 9031/9031SJ
Type: Business Trip Backpack
Design: Concept streamlined design
Flagship level functionality
Series: ALL DAY Commuter Series
Features:
- Water-resistant fabric
- YKK zippers
- Multiple compartments for organized storage
- Dedicated 17.3-inch laptop compartment
- Layered storage with separate digital compartment
- Front compartment, main compartment, digital compartment, side pockets
Digital Compartment:
- 17.3-inch laptop pocket
- Main compartment (30cm wide, 45cm high)
- 4 small item pockets
- 9.7-inch tablet pocket
- 2 elastic mesh pockets (20cm wide, 23cm high)
- Zipper pocket
- Side water bottle pocket
- Anti-theft back pocket
Style Options:
- Classic version: Double-layer capacity
- Upgraded version: Triple-layer capacity
Color Options: Classic black, green, gray
Materials: PU, Oxford fabric
Back strap for attaching to luggage handle
Dimensions:
- Regular version: 7cm x 18cm
- Upgraded version: 33cm x 20cm
Weight: 1.1kg (regular) / 1.3kg (upgraded)
Adjustable shoulder strap length: 43-65cm
Quality Details:
- Water-resistant fabric
- YKK zippers
- Survival whistle
- Quick access card slot
- Breathable back padding
Note: Product measurements are manually taken, with a 2-4cm error range considered normal. Actual product may vary slightly.
