Nixx Alexandria Bladder Leak Underwear are super comfortable with a soft satin feel and a pretty lace trim We harness Nixx 4 x 4 technology with our 4 layers of specialised fabric that is both absorbent and leak proof, absorbing up to 6 teaspoons of liquid (light bladder leaks) without the need for any disposable pads. Nixx Alexandria are designed to be discreet and feminine. You can now cough, sneeze and laugh with comfort and security. Suitable for light bladder leaks. Nixxworld is committed to being both environmentally friendly and cost-effective.