Do you want everyone to know that you’d rather be at the bookstore than anywhere else? Let the people trying to talk to you know that you’d rather they didn’t.
Measuring in at 2 inches tall by 3.25 inches wide, it is weatherproof, waterproof, and UV protected so you can put it on your emotional support water bottle and run it through your dishwasher or put it on your car and run it through your local car wash if that’s your thing.