S.H. Figuarts are an action figure line created by Bandai. From the Bandai Wiki
“S.H. Figuarts is a popular line of high quality collectable figures made by Bandai. The toyline debuted in 2008 and is targeted towards the adult fans of the series with its higher price and show-accurate detailing of the figurines.
In addition to Kamen Rider, the toyline features figures from various franchises such as Super Sentai, Pretty Cure, Sailor Moon, Tiger and Bunny, Marvel Comics and Dragon Ball Z.
The line also has spinoffs such as S.H. MonsterArts which features Kaiju such as Godzilla, Ultra Act for Tsuburaya characters such as Ultraman, and D-Arts based on video game characters such as Mega Man, Digimon and Pokemon.”
Sailor Moon S.H. Figuarts were released first with Sailor Moon on August 2013. A Sailor Moon Wiki Article is also available on the figures.