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Core function:
?Single layer model: with USB charging port, no trolley strap, side pocket
?Double layer model: with USB charging port, trolley strap, no side pockets
?Material: Oxford cloth fabric, waterproo
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size:
13-15.6 inch: 39*29*(14 -19) cm Weight: 0.8KG
17.3 inch: 44*34*(18 -23) cm Weight: 1.1KG