We do not have an expiration time for exchanges. You may exchange your item for a different color or size at any time, as long as the item has not been worn or used.

For U.S. customers, if you are still within the return window (20 days), we will send you a FREE return label, please place a new order of the one you like.  
For Non-U.S. customers, We are not able to provide international return shipping labels. Please mail it back to our return address below for return or exchange.

Please contact us if you are non-US customers or outside our return policy window.
Price differences will be adjusted accordingly. 
The return address is as below:
Sissily Designs
711 S Glebe Rd,
Arlington VA 22204
United States

If you already sent us an email, we will reply to you regarding your request of exchange ASAP. 
Please click HERE if you would like to send us a message.