Potion-making can be a messy process which is why you need this Harry Potter t-shirt. First and foremost, it?s awesome artwork displays many of the potions used in the wizarding world of Harry Potter. Second, tees like this one are easy to wash if the potion-making process gets a little out of hand. Whether you?re making a batch of Polyjuice or trying to seduce your crush with Amortentia, this Harry Potter tee is the perfect shirt for all your fun experiments.