The official Japanese Pokémon Card Game website has confirmed that the Trainer Battle Decks
Nibi City Gym's Takeshi (ニビシティジムのタケシ) and Hanada City Gym's Kasumi (ハナダシティジムのカスミ) will be released in Japan on January 25th, 2019 for 3000yen + tax each. Each Battle Deck contains 60 cards, markers, a sheet, a GX Marker, a Pokémon Coin, a play-mat, a deck shield, a deck case and a card box.
Source:
https://www.pokemon-card.com/products/sm/smk.html