Is this ok?

Ok im getting a shiplap shed and have found this to be the cheapest but is it ok for bunnies?
http://direct.tesco.com/q/R.202-3623.aspx

It looks good-I'm also looking for a shed for my 2,do the windows open at all? I would get o/h to divide the door so that I can close bottom half but leave top open for air until bedtime [My bunnies go in a good hour before bed otherwise I wouldnt be able to catch them in the dark]