Black Lives Matter T-Shirt Where can I find other black lives matter designs? Expand or collapse section. In addition to black lives matter designs, you can explore the marketplace for african american, black power, and black history month designs sold by independent artists. What material is this item made of? Expand or collapse section. 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…