Amazon has put up a listing for the Pokémon Ultra Sun and Ultra Moon Steelbook Dual Pack. If you are interested, the limited edition product is available for preorder with this link from the shopping website.
You can also find the product description, as well as a list of features, for the dual pack below (via the aforementioned Amazon listing):
Pokemon Ultra Sun and Pokemon Ultra Moon will launch in the US November 17th, 2017 exclusively for the Nintendo 3DS family of systems. A new light shines on the Alola region! Take on the role of a Pokemon Trainer and uncover new tales, and unravel the mystery behind the two forms reminiscent of the Legendary Pokemon. With new story additions and features this earns Pokemon Ultra Sun and Pokemon Ultra Moon the name “Ultra”! Another adventure is about to begin!
- The Pokémon Ultra Sun and Pokémon Ultra Moon Steelbook contains both Pokémon Ultra Sun and Pokémon Ultra Moon games in addition to a collectible Steelbook case
- The Steelbook art features two new Pokémon forms that resemble the Legendary Pokémon, Solgaleo from Pokémon Sun and Lunala from Pokémon Moon.
- Games in 2D. Some areas also playable in 3D.
- Rated “E” Everyone with Mild Cartoon Violence
The Pokémon Ultra Sun and Ultra Moon Steelbook Dual Pack will be released on the 17th of November in the North American region.