Shelf Life of Ultra Light Clay Korean Clay

4 to 5 years. Ultralight clay Korean soil can be preserved for four or five years without deterioration, the theory can be permanently preserved, but may be discolored and so on. Ultralight clay pottery clay, paper clay, sculpture oil clay, play dough and other advantages in one of the latest handmade creative materials, it can be used in perfect combination with wood, metal pieces, sequins, glass and other materials.