30 day money back guarantee:
Products may be returned for the full purchase price (minus shipping & handling fees) 30 days from the invoice date.  Packages must be unopened and returned in original condition to receive this refund.

If you received damaged merchandise:
All demaged goods delivered to the customers must be reported to Sigma Shop  within 7 days of customer receipt. 
We will email you the return address. We will then exchange the damaged merchandise in a timely manner for the same new merchandise after we receive the damaged goods from you.