My 7 yr old son likes the costume, so it's a keeper.  But as a parent, here are the things that you will want to know.

*Visibility - very hard to see out of the mask.  I may have to have my son limit the use of the mask during trick or treating
*Material - standard really thin cloth
*Hood - not attached to the main costume
*Variances from pictures - there is no loop on the sleeve to hang the chain; Chain is shorter than depicted
*Size - runs small.  I got my son a large and it fits him.  He's a taller 7 yr old.