Black Widow Spider Shirt Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester Imported Machine wash cold with like colors, dry low heat Called a black widow because they eat the male spider. I Love Halloween. Halloween Forever! This fun tshirt would be great to wear to a haunted house, pumpkin patch, or trick or treating. It is the perfect Samhain, autumn or fall, harvest season tee! Lightweight, Classic fit, Double-needle sleeve and bottom hem