Black window-panel wall is a wallpaper. Source: Nook's Cranny. It costs 2,800 Bells and sells for 700 Bells. It can also be bought for 2,500 Poki (Happy Home Paradise). Added in version 2.0.
Where to get it
Nook's Cranny: Timmy and Tommy's store on your island, with a daily rotation of furniture and clothing alongside staples such as tools and seeds.
