Such implants are impressive but
First you have to know à girl who want to get such large implants, she has to already have large implants and be ready to dedicate her life to plastic surgery.
Second if a girl wants such voluminous implants, why not asking for custom made implants ? So she can choose with her plastic surgeon the right diameter, projection, cohesiveness and being sure they are sterile and ready to be inserted
Isn't it?
In my opinion it's just a fetish ☺