Frontier Airways Inc. 1,2,3,4,5

USA

1,2,4:

• plastic
  
• flat base
• peel off sticky strip 
• on base:
  

          2: U.S. Patent No. 7,041,042

          4:  Patent No. 7,041,042

 3,5:

           3: glossy paper

           5: paper

• flat base with coversheet
• vertical tab
• straight cut