Feature 1Nipple corrector: It can gently knead it to unblock the mammary gland and massage the nipple. 2 Strong suction: Equipped with a squeezable airbag for powerful suction. 3 Very safe: This is a physical redress correction, which is no side effects, safe and painless. 4 Easy to operate: Small size, easy and simple to use. 5 Non-toxic material: Made of natural silicone, it is soft and elastic.SpecificationFabric: Polypropylene, natural rubber Applicable age: pregnant and lying-in women, nipple retraction Use time: Correct 3-5 times a day, adhere to 5-7 days Disinfection method: except for the rubber pump, it can be boiled or disinfected.Package List1 * Nipple CorrectoNote1. Do not use if the nipple is injured. 2. There is a slight tension during pregnancy. please stop using. 3. When using before pregnancy, if the stimulation of the breast causes uterine contraction, please stop using.