Personalized Faux Rhinestone 40th Birthday Women's Plus Size T-Shirt. 40th birthday Women's Plus Size T-Shirt - Black with a shimmering, glittering, sparkling, silver, FAUX rhinestone number 40. Perfect for her fabulous 40th birthday! 100% combed ringspun cotton premium jersey (CVC Colors are 60/40 combed ringspun cotton/polyester)