Boxing Birthday Thank You CardsBoxing thank you cards feature a pair of boxing gloves in red and blue colors. These are a perfect way for kids to thank guests for helping to make their celebration a knockout! 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