Surgery types, sites and the amount of missing tissue vary from one women to another. Amoena Balance Partials come in multiple shapes, sizes and thicknesses - and can be rotated to fill in where it's needed most. Symmetrical, varia shape shell for use following lumpectomy or breast reconstruction. Two layer partial breast form. Comfort+ layer including a lightweight silicone on the back side. Extra soft silicone, covered with a thin film to cling gently to the operated breast.