Monster Clay 2.3kg.
Whether to use soft or medium is a matter of personal choice, to some extent. More detail is possible using medium, but soft is easier to sculpt, although medium becomes softer with heat.
Premium grade modelling clay is a re-useable sulphur free, professional oil/wax based sculpting medium.
This clay has a very low melt point and when cooled becomes very firm, making it perfect for extremely tight detail and skin textures.
It has a low tack, which helps keep your fingers and tools clean.
It comes packed in a heatproof pack meaning you can melt it in its own container in the microwave, use a tin for oven heating.