Lots of people have been asking about hide a squirrel and sizing. These are pics of Diggy with Hide a squirrel so you can get a comparison for whats right for your baby.
Diggy is 3.5-4 pounds
http://i174.photobucket.com/albums/w...ggy11-4004.jpg http://i174.photobucket.com/albums/w...ggy11-4002.jpg http://i174.photobucket.com/albums/w...ggy11-4001.jpg
This is the regular sized one that petsmart carriers for about 12-15 dollars. Diggy loves his and plays with it everyday!