SH-020 is a female head by Sanhui.
The head is made of silicone.
here are some new photos with the Sanhui SH-168 body style and SH-020 head:
Dollstudio EU | Dollstudio US | Dollstudio DE
The BT4 aka Solana is a female love doll by Boy Toy Dolls.
The doll is made of silicone.