Hm I am not exacly sure what you are looking for. If you dont want to have a dog carrier then a regular purse will work but it wont have those ventilation areas on the side for air. Your baby would have to stick the head out to breath. Again then you wont have the harness security in the bag which is not a great idea especially after hearing so many people telling horrible stories about dogs being stolen right from the purse. Are you looking for something like that?
http://www.finepetproducts.com/Charl...er_p/46019.htm