Latex mold, Wonderfully decorative Halloween Skull Haunted House, Mould For Concrete Casting
Base: 7 cm/2.76"
Height: 11 cm/4.33"
Normal Delivery time is 2-9 weeks but it depends upon the size and how popular the mold is.
Around $32 for most of the world.
The molds are made up of foam. It works like fiberglass.