The DAS air drying modelling clay is a fine and even self-hardening modelling clay that requires no baking, and can be used with wood, cardboard and terracotta. Easy to smooth. Poster paint and acrylic varnish can be applied for decoration. Solid and strong when dry. Drying time 24 hours per centimetre thickness. PVC free. Contains no softeners, only vegetable binders, may contain silica. The clay is vacuum sealed until the package is opened.