To remove light surface soiling when wetting the item is not an option.
Use dry like a pencil eraser to remove light soiling, but not stains, from fabrics where wet or solvent cleaning is not desired or possible. Soiled areas of sponge can be cut away. Use lightly on any fabric that is strong enough.
Other 'interesting' uses include lampshades and the valances around the bottom of settees where people have caught the backs of dirty shoes.
Either large (15 x 7 x 4 cm) or small (5 x 7 x 4 cm) sizes.