Rainbow Sparkle Birthday Thank You CardsRainbow Sparkle thank you cards feature a beautiful rainbow background with sparkles and a rainbow front and center with silver glitter clouds. Some features of our thank you cards: Professionally printed on 80# cardstock paper so you feel the quality. Teaches children how to send a meaningful handwritten note Easy to use because all you have to do is simply fill in and mail out 10 cards and 10 white envelopes included 4. 5" X 5. 5"so they are the