Mark Ryden 17.3 Inch Men Large Capacity Oxford Cloth Computer Backpack,Style: Raincoat Style Printers & Accessories easy to deal with the

easy to deal with the cleaning problem of low furniture

energy saving and high efficiency

Dimension: 93 x 36 x 15mm

Power supply: 2xAAA batteries (not included)

Mark Ryden 17.3 Inch Men Large Capacity Oxford Cloth Computer Backpack,Style: Raincoat Style Printers & Accessories easy to deal with the1. Expansion bag body, effective capacity expansion is 12. 98L, daily capacity is 26L, capacity expansion is 39L (normal model does not have this function) 2. Highly elastic honeycomb back pad, comfortable and breathable without squeezing the back 3. Water repellent fabric to prevent water from soaking items 4. Multi layer large space, can accommodate 5 7 days of travel clothes 5. External charging interface, the mobile phone can continue to use the