ABC 931 Triangle Swim Form features a triangular shape with a hollowed back. It is safe to use in the swimming pool salt water hot tubs or spas. Its firmness allows it to maintain its shape in the water giving you the confidence and security you need. Comes enclosed in a satin bag and inserted into a breast form box. The form's profile fit is average to full. Sizes available are 1-12 (See ABC sizing chart).