Studio Kluif has an amazing package design portfolio.
via the the Dieline (where the first image was also found)
You might also enjoy:
Studio Hausherr 
Hofstede Design 
Emmanuel Cohen: BNT Studio Identity and Collateral About Courtney
Courtney is the founder of Design Work Life and Seamless Creative, a small design studio she runs with her husband Brian. She now splits her time between developing brand identities for small businesses and soaking up (and passing along) as much inspiration as she can.
Lily Piyathaisere says:
andrea says: