These Ninja Karate themed birthday invitation cards are the perfect way to send out a stylish and personalized call to your special event. Made with high-quality, durable paper, they are easy to write on with pens, markers, or other writing tools. The double-sided design adds a nice touch of creativity and helps make your message stand out. Each card comes with a white envelope, making them ready to send as is or customize further for a truly special feel.","Whether you're hosting a birthday party for your child or a friend, these invitation cards will make the perfect addition to your event planning. The vibrant design and unique shape will grab attention and spark excitement among guests. They are perfect for kids, teens, boys, and girls, making them a versatile option for any age. With a 4 x 6 inch size, they are easy to handle and display, creating a memorable experience for everyone.