Mona Lisa Hedgehog Funny Art 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 Original artwork by Princess Penelope Pricklepants, with help from her people. This unique T shirt makes a great addition to your casual wardrobe. Any Hedgehog Fan would love to receive this as a gift. Check out all our unique, trendy, original, authentic, indy, retro, vintage designs. Lightweight, Classic fit, Double-needle sleeve and bottom hem