Lululemon City Adventurer Backpack 20L - Silver Drop - lulu 。This backpack was designed for a quick work-to-workout transition with a built-in pocket for sweaty gear. Fabric is water-repellent and easy to wipe clean features Designed for: On the Move Strong straps: Reinforced strap construction carries a heavy load when you\'re on the go all day Expandable pocket: Stores your sweaty gear Phone pocket: Quick-access phone pocket helps keep you connected Laptop storage: Exterior padded pocket fits a 15\" laptop Dimensions: 29 cm x 18.5 cm x 43 cm (11\" x 7\" x 17\" ) Volume: 17L