These 4-inch by 6-inch ninja-themed invitation cards are designed to grab the attention of young guests and make your birthday celebration unforgettable. Created with high-quality coated paper, they offer a sturdy base for personalized messages and are easy to write on. Each set includes a matching envelope, making it a complete and elegant invitation solution. The pre-printed text 'Let's Party' and 'Boys & Girls Birthday Celebration' ensures you're ready to send your invites in no time.","Ideal for party planners looking to add excitement to their event, these ninja-themed birthday cards bring a playful and adventurous vibe. Whether you're throwing a surprise party or a themed birthday, the cards are versatile and easy to customize. Their bold design makes them stand out, perfect for kids of all ages. With 20 sets, you can send invites to everyone on your guest list while keeping your budget in check.