Flat Mars Society Shirt, Funny Science T-Shirt with Mars Rover, Great Gift for Astronomers, Astronomy Teachers, Space Lovers, Geeks, Nerds Introducing the Flat Mars Society shirt – a witty and stylish delight for astronomy enthusiasts, science teachers, and space lovers! Designed as a playful jab at the Flat Earth Society, this shirt features the Mars Rover hilariously falling off the edge and calling for help. It's a perfect gift for lifelong space fans or budding astronomers who appreciate a good laugh. Express your love for astronomy with this funny yet high-quality tee, showcasing your passion for space exploration. Get yours today & join the ranks of the Flat Mars Society! 100% Airlume combed and ringspun cotton. Light fabric (4.2 oz/yd² (142 g/m²)). Tear-away label. Runs true to size. Care: Machine wash and tumble dry on low. Size Chart (Inches): - XS: 16.5W x 27L - S: 18W x 28L - M: 20W x 29L - L: 22W x 30L - XL: 24W x 31L - 2XL: 26W x 32L - 3XL: 28W x 33L