100% brand new, of high quality Appropriate shape, fit the chest Plastic box loaded, safe and hygienic Material: silicone Size: diameter about 5.5cm/2.17in How to use: 1. Wipe clean the nipples and breast-loving parts with a wet towel. 2. Cover the breast with the breast protector and hold it with your hands. 3. The baby hasn't adapted to the previous description of expressing breast milk 2 to 3 times with the breast-protecting pianmei, so that the baby will get used to it and then limit milk. 4. During the period of colostrum and when the nipples are sunken or flat. You can apply hot towels and massage the breasts to activate the breasts, Promote the secretion of milk before using it. Package List: 2 x Nipple cover + 1 x Plastic box