Description Flat or inverted sunken nipples can be a potential problem for women wishing to breastfeed. Through gentle suction the pulls the out. In a matter of weeks of continued wear the will stay permanently erect. It is a really effective tool for new mother. Features -Color: White-Material: PP-Size: 11.00X2.50X2.50cm 4.32X0.98X0.98inch- Strong suction force, and the force of it is adjustable.- You just need only 15 minutes each time, do not need long-term wear.- Healthy PP material for your safe use and assured.- Small and delicate, easy to carry out, use it anywhere indoor.- Simple operation, a convenient and practical tool for mommy.Packing list: 1 x Corrector