If your child wants to dress up as a powerful supervillain this year, then don't miss out on our Poison Ivy Kids Costume Poison Ivy has the coolest superpowers. With the toxins in her bloodstream, she can kill anything she touches, and manipulate plants with her will. It's no surprise your daughter wants to dress up as her! With this set, you will receive a pretty green dress adorned with ivy and flower designs, attached matching leggings, and a green belt. One thing is certain, when your daughter is donning this poisonous garb, she will feel powerful as ever.