http://www.mannlakeltd.com/ProductDetail.asp?idproduct=1275&idCategory= Here is the link to the mann lake page regarding theit plastic frames and the comment of 4.9 cell size... *********************************************** The BEE-L mailing list is powered by L-Soft's renowned LISTSERV(R) list management software. For more information, go to: http://www.lsoft.com/LISTSERV-powered.html Guidelines for posting to BEE-L can be found at: http://honeybeeworld.com/bee-l/guidelines.htm