Grippy Not Sticky CAKES triangles are recommended under snug tops and swimsuits as we don’t use any irritating adhesives to ensure super gentle coverage. CAKES gently grip the skin with your body’s natural heat. Gentle We use 100% medical grade silicone & go through extensive skin safety and toxicity testing to ensure our girls (and their girls) have the most gentle coverage possible Super Seamless A super seamless triangle shape that's slightly thicker in the middle and tapers down to an infinity edge for no show coverage. The same gentle and seamless coverage you love from CAKES in your triangle tops and bathing suits!