To enable a sweater to be dried flat as it is washed with a net to prevent wrinkling or deforming, by attaching ribs to a washing net.

Loops 3, etc., are equipped to tips of this washing net 1 and almost T-shaped ribs (shown in chain lines) are attached to enable the washing net to be developed and tip ends of ribs are attached to the loops 3 equipped on the tips of the washing net 1. Strings or the like are inserted into loops 3 to dry suspend the washing net 1 via the strings to dry washing evenly in a flat condition. By drying the washing using such a washing net, it is possible to dry the washing quickly without deforming.