Rolling Backpack

Manufactured from strong 600 denier nylon, the carry-on compatible Simpson Rolling Backpacks have ... 

• an in-built telescopic handle and wheels or 
• if you prefer ... hidden shoulder straps to use as a backpack.
• Comfortable rubber handle, 
• large main compartment
• water bottle holders, 
• multiple pockets, 
• headphone port, 
• measures 640h x 380w x 235d.