Confetti Polka Dot 40th Birthday Thank You CardsConfetti 40th thank you cards feature a classic gold, silver and black confetti border and a big bold 40 (glitter is digitally printed and not actual glitter). These are perfect for thanking guests for coming to your 40th birthday bash! 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