Rolltop folds under top cover with a heavy-duty metal hook closure. 

Fabric:
Rubberized 600D poly face-coated PU

Features:
Water-resistant, clear-coated mesh pocket under top cover
Two side zips for quick access to main compartment and laptop sleeve
Large center storage area
Deluxe organization panel
Adjustable sternum strap
Padded straps with daisy chain details
Integrated luggage trolley pocket on back

Size:
Laptop sleeve: 20"h x 11"w; fits most 13" laptops 
Dimensions: 20"h x 12"w x 5.9"d 
Capacity: 1,373 cu.in./22.5 L  
Weight:  2.49 lbs./1.02 kg

Note: Bags not intended for use by children 12 and under.