↓Simply attach the hose to the pump cup and place the cup over your breast. <br />↓The easy to use squeeze pumper has an air release button on it. So when you reach your desired pressure you can easily release the suction! <br />↓This pump is made of ABS plastic and PVC materials.<br />↓The measure scale on the cup、 so you can see how much you are increasing in size!<br /><br />Features:<br />↓Condition : Brand New<br />↓Color : As The Picture Shown<br />↓Type : Breast Suction Cup<br />↓Size: S、L( measurements as the pics shows)<br />S for A cup<br />L for cups larger than A <br /><br />Package:<br /><br />1x Pump(Not a pair)