Looked like a floating mirror, but we couldnt se something in the mirror, like floating silver.. No clouds on the sky and in the middle of the day, sun shining, this was 8 years ago, vi stood and just looked and then i just dissapeared.I should gess it was about 10-15 metres above our heads.It shanged size slow and little in the beginning.Excuse my bad english :-/ /((2 names deleted)) - sweden