Planning a 10th birthday party? These rainbow-themed invitation cards are absolutely perfect for the celebration! You get 20 double-sided cards plus 20 matching envelopes - plenty for the whole class and then some. The 4x6 inch size gives you ample space to write all the important details like date, time, location, and any special instructions. The rainbow design is bright, cheerful, and works for both boys and girls. Made from high-quality cardboard, these invitations feel substantial in your hands and write smoothly with any pen. The double-sided printing means they look great from every angle. They coordinate beautifully with other rainbow or birthday-themed party supplies to create a cohesive celebration atmosphere. Your young guests will be excited to receive these colorful invites in the mail! The quality is much better than typical party store invitations - they have that premium feel that shows you put thought into the party planning. Whether you're hosting at home, at a venue, or planning a special activity, these invitations set the tone for a fun, celebratory event. They're easy to address and mail in the included envelopes, or you can hand them out at school. For parents organizing their child's double-digit birthday, these take one thing off your plate with style. The rainbow theme is timeless and popular with the 10-year-old crowd, making these invitations a sure hit for your special celebration. Planning a milestone birthday should be fun, and these beautiful invitations get the party started right!