Used to add weight to arms and legs .
It comes as a white liquid, it has to be heated to activate, poured into limbs when hot and when fully cured it has a firm silicone/rubber consistency. This is not something that will fall out of limbs. It fuses to vinyl and cures in a solid piece.
Plastisol will not spill out, or seep, it's a solid material that is fused to the vinyl.