Womens Worlds Best Mimi Tee Mothers Day Grandma T-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 Worlds Best Mimi Tee Mothers Day Grandma T-shirt, Worlds Best Mimi Tee Mothers Day Grandma Best Mimi Tee, Tee for grandma Lightweight, Classic fit, Double-needle sleeve and bottom hem