Seller: Lanyitoys on Aliexpress.
Approximately 3.25″ tall, based on the Hasbro Playskool Friends Bath Squirters 2-pack. They have no brand markings. Made of squishy plastic with water holes. Visually quite similar to the Hasbro versions. Some paint imperfections and dirt as can be expected of fakies.
I bought the 3-pack packaged in a mesh bag with a cardboard tag:
The seller also offers the Applejack figure with accessories: