Which style of Tory Burch sandals is better for my girlfriend?

[caspar99]

I want to buy a pair of sandals for my girlfriend. For surprise, I don't tell her. Now I have found two pairs, but I don't know which one is better. Maybe someone can help me. Thank you very much.
http://www.toryburchrevaflatsale.com/tory-burch-patent-leather-miller-sandal-thong-hot-red-flip-flops-p-839.html
http://www.toryburchrevaflatsale.com/tory-burch-black-sheepskin-miller-sandsal-thong-flip-flops-tms1-p-846.html