To provide a resin material that exhibits satisfactory heat resistance and excellent transparency and has a small linear expansion coefficient.

The composite comprises a nonwoven fabric (a) comprising cellulose, a resin (b) other than cellulose and a flame-retarding agent (c), where the components (a), (b) and (c) account for at least 0.1 wt.% and at most 99 wt.%, at least 1 wt.% and at most 99.8 wt.%, and at least 0.01 wt.% and at most 50 wt.%, respectively.