Features Slim design backpack that easily expands from 6L to 15L Made from reverse 600D polyester with a soft-touch PU coating Large zippered front compartment and padded inner sleeve to hold a device up to 16" Features sturdy shoulder straps and a luggage trolley strap Specifications Name Description Capacity 6L to 15L Front Vertical Pocket Dimensions H 36cm x W 22.5cm Front Horizontal Pocket Dimensions H 39cm x W 30cm Expandable Gusset 8cm Fits Laptop Size Up To 16 Inches Luggage Trolley Strap Yes Water-Resistant Yes Country of Origin China Colours Black Dimensions Backpack - Open: H 445mm x W 300mm x Gusset 145mm excludes straps) Backpack - Compact: H 445mm x W 300mm x Gusset 60mm excludes straps) Strap Length: 865mm (extended) Materials Component Material Bag Outer Polyester (PES) Lining Polyester (PES) Webbing Polyester (PES) Slim design backpack that easily expands from 6L to 15LMade from reverse 600D polyester with a soft-touch PU coatingLarge zippered front compartment and padded inner sleeve to hold a device up to 16"Features sturdy shoulder straps and a luggage trolley strapCapacity: 6L to 15LFront Vertical Pocket Dimensions: H 36cm x W 22.5cmFront Horizontal Pocket Dimensions: H 39cm x W 30cmExpandable Gusset: 8cmFits Laptop Size: Up To 16 InchesLuggage Trolley Strap: YesWater-Resistant: YesCountry of Origin: ChinaBag Outer: Polyester (PES)Lining: Polyester (PES)Webbing: Polyester (PES)