Laboratory Technician T-Shirt Where can I find other laboratory technician designs? In addition to laboratory technician designs, you can explore the marketplace for laboratory, science, and scientist designs sold by independent artists. What material is this item made of? 100% combed ringspun cotton. The perfect fabric for a graphic tee and the softest in the business. (Due to product availability, cotton type may vary for 2XL and 3XL sizes) Learn More » What USA ship methods are available?…