Today’s the biggest sale of the year at the Arrant Pedantry Store, with 25 percent off all orders. There’s no coupon code required—just click the “Redeem” button below the navigation bar. And don’t forget that you can customize colors and even put the designs on other products. The sale only lasts today, so check it out!

Update: The 25 percent off sale is over, but you can still get 15 percent off through December 1st. This is the last sale before Christmas, so act fast!