Birthday Boy T-Rex | Dinosaur Birthday Party, Dino Themed B-Day Youth T-Shirt Sport Gray 90% Cotton MICHIGAN ARTISTS & PRINTERS | this design was drawn and screen printed (silk screened) with pride by our skilled illustrators and printers in Ann Arbor. If you're ever in the area, stop by for a free tour and see how we make your apparel! UNISEX KID'S FIT | This is a standard youth unisex fit, and should fit your child as expected. If on the fence, more customers rate this as running too large than too small, but please use our size charts in the photos to help determine your correct size TOP QUALITY INKS | We use QCM screen printing inks, manufactured in Pineville, North Carolina. These are high quality inks - vibrant and durable, and highly crack resistant. Some of our designs are intentionally faded or cracked (see product photos), but our inks always "do what they are told" by our printers. We use top of the line printing presses and ovens (to cure inks) made by M&R in Illinois SAFE CHEMISTRY | QCM has been one of the most forward-thinking ink manufacturers in the industry, going phthalate-free over ten years ago - way ahead of the curve. They're also CFC free and rated as carcinogen-free by the state of California See size chart in photo section