Question: qoo10 how to return item?
Answer: Print “Return label” on My Qoo10 Page.
Submit "Return Request" on My Qoo10 page. ... 
Inquiry to Qoo10 customer center directly.
Defective/Shortage/Wrong item (Cancel/Refund) Please go to MyQoo10 > Shopping list > Cancel/Refund and click the cart number and Apply Return or Exchanged under Apply & Remarks.