The Summer Barbara and Jean acrylic stands, gel mats, and pins are expected to ship in September 2021.
At the moment, one of the few official partner shops selling these Genshin Impact Summer Barbara and Summer Jean items is Ami-Ami.
People will be able to get physical reminders of the Midsummer Island Adventure event in Genshin Impact, as Summer Barbara and Jean merchandise is on the way.
In September 2021, Genshin Impact acrylic stands, pins, and gel mats featuring both characters will appear.