Unique Thank You Greeting Card: Pile Of Gratitude Made with 100# recycled card stock, comes with 80# recycled envelope. Card size is 4 1/4" x 5 1/2", envelope size is 4 3/8" x 5 3/4" Printed using traditional printing presses (no digital printing) for a higher quality image. Comes to you in a protective crystal clear bag. Mailed to you in a durable envelope to ensure product safety.