Bad girls, back to back. Harley Quinn and Poison Ivy might be naughty, but they look awfully good as these Batman Harley Quinn and Poison Ivy Salt and Pepper Shakers! The pair are magnetic and made of ceramic, and they measure about 3 3/4-inches tall. Spice up your meals with DC's bad girls! Hand wash only. Not dishwasher safe. Do not microwave. Ages 12 and up.