It's filled with detail, actually, if you read here: http://funadvice.com/r/3kltnh262m "For all other items, to be eligible for an exchange, credit or refund as described below, the merchandise must be returned unworn with tags and sanitary liner (for swimwear) intact and must be accompanied by the original return form and customs documents (if applicable). Please note that refunds are only available for online purchases returned by mail. Returns are accepted within 30 days from the shipped date. "
Seems pretty standard, actually.