Hummingbirds of North America three pack features three identical eco friendly cards printed on 100% recycled paper wtih cream colored 100% recycled paper envelopes. 
 
Cards are 4.25" wide and 5.5" tall. 
 
The Hummingbirds represented are: Calliope, Ruby-throated, Anna's, Rufous, broad-tailed, Costa's, Allen's, and Black-chinned.