More or less a high density transfer. I usually get them made from Silicon buy you can get them in plastisol and water base.
Are you looking to get hundreds, or a few? If hundreds and you have ~3 weeks to receive DM and I'll help you source
If less, or shorter timeline, you could try printing with High Density, or you could source from a domestic source puff transfers as I don't think people make them domestic as they are injected moulds typically.