I ordered my bag from
www.Petsmart.com. Here is a picture. I got the pink and black one and it only cost $27.14 with shipping and tax. My baby is only 1 lb 12 oz. but the measurements are 12.5"L x 7"W x 10.5"H. Here is a direct link to that page:
http://shop.petsmart.com/product/253...4441806312.htm