NESTH Invader Zim Gir Men's Short Sleeve Tee Shirt Customized (USA Size) 100% Cotton sizes available: M, L, XL, 2XL. Comfortable, casual and popular, custom an unique t-shirt to suit your personal style Imported,Material - 100% Cotton Wash Inside out with cold water Feedback is very important to us. Please contact us immediately so that we can satisfactorily address your concerns.