Cygames and Axia announced the release of the new Granblue Fantasy goods in Japan. You can get the new poster, smartphone case (flip case), and mobile batteries from the official website of Axia:

In the gallery you can find the smaple pictures of the goods.
The poster going to costs 3000 Yen + tax / pieces, the mobile battery going to costs 4800 Yen + tax / pieces and the smartphone case going to costs 4000 Yen + tax.