"Why So Serious?!?" This fantastic t-shirt is a ready to go costume, just put on a little Joker style make-up and you are ready for any crazy adventures!! This shirt has some dye process misses on a couple back seams (see last pictures) Very common with these type of dyed tees. 100% Polyester In Excellent Used Condition Approximate Measurements: L:Chest- 21" armpit to armpit Length- 28" long XL:Chest- 23" flat armpit to armpit Length- 29" long I ship all sales within 24 hours! Offers Welcome!