The only things that Tidebuy would accept for return are brand new and unused. The delivery window must be 15 days or less. In 2 to 7 business days, Tidebuy will return your money to your bank account once the refund has been verified. For damaged, defective or erroneous merchandise, contact their customer care. Before placing a new order, the prior item must be returned to Tidebuy. Click on this link to see Tidebuy's full return/exchange policy.