Earth Day 2016 Unisex T-shirt Earth Hour 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 Recycle, Reduce, Respect Planet, Sustainable Planet, Eco, Respect Mother Earth T-shirt, Funny Eath Day t-shirt Earth hour shirt, world earth day t shirt Lightweight, Classic fit, Double-needle sleeve and bottom hem