I Thought You Knew Birthday Card

 "Sorry I called you old, I thought you knew."

Details:

• Size: 4.25 x 5.5 inches
  
  
• Printed on high quality paper stock
  
  
• Blank inside for your own message
  
  
• Colorful matching envelope 
  

Petty Paper cards feel like inside jokes: playful, a little sarcastic, sometimes a bit petty, and always memorable. Paper quality is great and envelopes are colorful.