This design is a math joke. The full text reads “Dear Algebra: Stop asking us to find your x. She doesn't want to talk to you.” Whether you need to smarten up your messenger bag with a stylish pinback button, your refrigerator with a sturdy magnet, your keys with a durable keychain, or your purse with a hard-to-think-of-an-adjective-for compact mirror, we've got you covered. All aRE 2.25” products are made with steel bodies, graphics printed on recycled paper, and a layer of protective mylar. They are made to order in Colorado using American-made parts and equipment by a treehugger who's fairly obsessive about minimizing their environmental footprint.