Celebrate a 17th birthday with this fun and unique t-shirt. The design features a mathematical equation, the square root of 289, which equals 17. The shirt is black and the numbers and text 'Years Old' are in a vibrant yellow-green, making the design pop. Faded mathematical equations also cover the front and back, adding to the playful and intellectual aesthetic. Made from a soft, comfortable material, this shirt is perfect for everyday wear and birthday parties. It's a great conversation starter and a fun way to show off your love for math. Surprise your loved one with this novelty gift!
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Our tees fit true-to-size. Check the size chart before ordering to ensure a perfect fit.
Processing 2–3 business days; standard delivery 5–12 business days depending on destination.
Machine wash cold with like colors. Do not bleach. Tumble dry low. Iron inside-out if needed.