Two-component, extra-durable putty, easily moldable, designed for attaching, bonding, filling, restoring, and repairing in the home. It works like plasticine but hardens like steel. It is white. As soon as it hardens, it can be sanded, drilled, polished, and painted. It even hardens underwater. Extra fast: hardens in 4 minutes. The package also includes a practical spatula for cutting and smoothing the putty.