Per Sam's Club...
"This beautiful European variety pepper is nurtured on the vine to ensure it maintains a super sweet taste like no other. Their exotic, unique appearance with very few seeds and hollow interior make them a great snack. "
Apparently it is a trademark name and may be a hybrid. A couple people report growing them from saved seed and they were different. Of course they grew them in the garden not a greenhouse. There is some discussion of it here from 2010...
http://forums2.gardenweb.com/forums/...134810117.html