An apparatus for use in laundering a garment having cups comprising a flexible panel, a pair of cup supports attached to the flexible panel, and a pair of retainer rings attached to the cup supports to hold each cup of the garment against a corresponding cup support. Each cup support comprises a convex member. Each cup support may include a plurality of apertures formed through the convex member. Each cup may further include a plurality of protrusions to space the cups of the garment away from the convex member. The apparatus includes a water permeable bag extending around the flexible panel. In this case, the flexible panel may be attached to the water permeable bag.