Air-drying modeling material with large beads - ideal for modeling around various craft items. Foam Clay Extra Large is ideal for creating 3D effects in combination with other types of Foam Clay with beads in different sizes. It comes in practical airtight jars for practical storage. Always keep the lid on. Store unused clay in an airtight plastic container. Add a little water if it has dried out. Foam Clay Extra Large is ideal for combining with other types of Foam Clay for fun and creative effects. Foam Clay Extra Large sticks to many types of absorbent surfaces and materials and is therefore ideal for covering wooden objects, terracotta, papier-mâché etc.