These Sonic birthday invitations are made from premium card stock that ensures a high-quality, professional look for your special event. The vibrant Sonic the Hedgehog design adds a fun and festive touch, making them ideal for any birthday celebration. Each invitation is sized at 4 x 6 inches, which is perfect for displaying party details and mailing with included envelopes. The complete set includes matching envelopes, making it easy and stylish to send out your invitations without extra effort. These cards are customizable, with space provided for all essential party information like date, time, location, and RSVP details.","Whether you're throwing a birthday party for a boy or a girl, these invitations are a great fit with their Sonic the Hedgehog theme. They are designed for use across all ages, adding a sense of adventure and nostalgia to the occasion. The invitations come with envelopes, saving you time and hassle when preparing your guest list. Their compact size makes them perfect for slipping into envelopes and mailing, ensuring your guests receive the invitation in a timely manner. With customizable fields, you can make each invitation unique to your party's needs, giving your event a personalized and professional flair.