Quick-drying clear silicone swim form 149, triangle shape Concave design and raised waves on back allow water to flow around and through, minimizing suction and improving performance Fits in the pocket of a mastectomy swimsuit.An elasticated under band and integral bra hold your breast form or swim prosthesis close against your body, so there's no need to worry about it slipping down or falling forward, even in a wet swimsuit. The integral soft cups combine support and gentle bust shaping for a completely natural look. Packaged with a waterproof drawstring bag that is large enough to hold a wet swimsuit 100 percent silicone