YM Wear Women's Ah! The Element of Surprise Funny Novelty Science Racerback Terry Tank Top Women's AH! The Element of Surprise Funny Novelty Science Racerback Terry Tank Top Lightweight, Relaxed Fit, Extremely Soft, Yoga Clothing 50% polyester - 25% ring-spun combed cotton - 25% rayon Wash inside out in cold water, hang dry Great for Christmas, Hannukah, Birthdays, Working Out, or any occasion!