"I Know things" Birthday Greeting card

Inside Message:

"Like the fact that you're officially older.
But don't worry, I won't tell...

Happy Birthday"

• Material: 14.77 oz/yd² (350 g/m²) paperboard
• Sizes: 4″ × 6″ (101 × 152 mm)
• Product weight: Small: 0.39 oz (11 g)
• Toner-based printing
• Vibrant colors
• Comes with a complimentary envelope