Planning a disco party? These invitations are exactly what you need! Each pack comes with 20 birthday invitation cards AND 20 matching envelopes - plenty for all your guests. The cards measure 4x6 inches, giving you plenty of space to fill in all the party details. What I really like about these is the quality - they're made from heavy card stock that feels substantial in your hands, not flimsy like some party invites. The matte finish means you can write with any type of pen without worrying about smudging or ink running. The double-sided design features vibrant disco balls and neon rainbow colors that really pop - perfect for either boys or girls having a glow party celebration. They've got this cool retro disco vibe that'll get everyone excited about your event. The invitation format is simple and straightforward, making it easy to fill out all the important details like date, time, and location. Your friends and family will be seriously impressed when they receive these in the mail - way better than a basic text invite! They're great for kids' parties but honestly, adults would love them too for a fun throwback disco theme. The envelopes are nice quality too, not that thin paper that tears easily. Overall, just a really solid choice for anyone throwing a birthday bash that needs to stand out and get people excited to come dance the night away!