Be part of the Birthday Clique and party it up in this aesthetic, retro birthday t-shirt. It features a groovy, checkered design with a vintage feel. Made of a 100% combed and ring-spun cotton,(heather colors contain polyester), this t-shirt is comfortable and breathable, making it great for all-day wear. Perfect for anyone who loves the retro vibe, this t-shirt is sure to make a statement at any birthday celebration. **This design is available for 18th, 21st, 30th, 40th, 50th and 60th…