Silk Clay remains soft and rubbery after drying. Features: self-hardening modeling material, drying time approximately 2 to 24 hours (depending on material thickness), colors are mixable, ideal for covering craft items or for free modeling. Tip: Store Silk Clay in airtight containers. If it has dried out, knead it thoroughly with a splash of water and its elasticity will return. Smooth, lightweight modeling material - stays soft and rubbery after drying. Content: 6 containers of 14 g each (yellow, red, white, green, blue, black).