Normally the sellers accept returning or changing within 7 days from the day we receive the parcel ,after checking the QC picture , if you want to change or return the product ,please inform us asap within 7 days from the day we received the parcel .If over 7days ,you still want to return or change the item , we will help to communicate with the seller about it ,if the seller agrees ,then we would arrange returning or changing for you .