She can't open a Dispute for Item Not As Described after Day 45 from agreement to purchase. She won't be able to leave feedback after Day 60.
There is no actual deadline for returns, but those are the deadlines that can make your experience uncomfortable.
Remember that you are not required to pay for return postage. And never give a refund without a return. (Although is a few circumstances, photos are as good as a return. Not in this case though.