Green Day are partnering with 7-Eleven, Inc. for a special anniversary blend of their Punk Bunny Coffee. The beverage will be available on August 28 at 7-Eleven, Speedway, and Stripes stores nationwide for a limited time. To celebrate the collaboration, 7-Eleven and Punk Bunny will also offer 50 fans custom 7-Eleven x Punk Bunny tattoos.…