DescriptionThis is a aligner, made with premium material. When using before pregnancy, stimulating the breast will cause uterine contraction. If this happens, stop using it immediately. Do not feed your baby if you have breastmilk when using it.Features- Color: Assorted Color. - Material: Rubber. - Size: About 7x3.5x2 cm. - Made of premium material for durable use. - Rubber material, to use. - Round and smooth edge, won't hurt your skin. - Can be detachable, easy to clean. - Place the suction cover on the and press the suction part. It can also be used to smooth the breast to massage the nipple. - Food grade material refined cup gentle on the skin without irritation.