Product Description: 1,PC use is made of food grade materials, non-toxic tasteless, high strength, difficult to break, can be boiled disinfection, safe and reliable. 2,Before use, remove the bulb (bulb not cook), the suction bra cleaned, disinfected and placed in boiling water for 1-2 minutes, dry spare. 3,Crush the bulb, cover the breast tightly aligned by mouth, suck bra prominent part of the down, and slowly relax your fingers, you can thin the milk, first milk out of each small container into the other, and then a second operation . Should avoid using milk sucked into bulb. 4, Hand squeezing the breast, breast pump operating the other hand, can improve the efficiency of aspiration.