Buyer return after 14 day return policy

[elleng1967]

I have a buyer who wants to return an item after my 14 day return policy has ended (item was deliverd 16 days ago).  She is claiming the measuremnts on the item I shipped her are slightly off from the listing and wants a full refund.  I don't want to accept the return as I am strict about my 14 day policy.  Will ebay support me?  Or will they make me refund her?  I don't really care if she leaves me negative feedback at this point.