Can’t make my mind.
wanna get two rings for me and my friend as memory or some symbol, but still not sure which one is suitable.

the first:
http://www.pop-jewelry.com/product_detail.php?sku=fj0704260ux0010
i think it seems simple but not ugly, and the stars there can indicate something.
the second:
http://www.pop-jewelry.com/product_detail.php?sku=fj0704260ux0018 also white-black cooler, but footprints instead.

which one is better? or both ok, or neither is a good choice?