<b>Features:</b><br>Material: food-grade silicone<br> Physical way to plump your lip:<br>1.use water moisten pump mouth and your lip to increase the suction.<br>2.let the fish pump mouth cover your whole mouth.<br> 3.Press pump body to expel air.<br>4.Keep your mouth being sucked for a while.<br>5.After the pump fall down, repeat before 3 steps again and again until your satisfactory lip form <br><br><b>Package include:</b><br> 1PCS Lips Enhancer<br>