SpecificationNOTE:A little bit painful for the first time use, this is normal and don't need to worry about. You could also adjust the suction level.World Health Organization suggest breast suction should be better limited in 30 minutes each time, no matter by baby or by breast pump. It may cause chap, even mastitis if uses for too long and frequently.Package include:1 x Main Pump1 x Tube Plug1 x Dust Cover1 x Massage Cushion1 x Funnel Cap1 x Air Cup1 x Milking Funnel1 x Valve Base1 x Valve Membrane1 x Milk Bottle1 x Bottle holder1 x Nipple Cover1 x Nipple Cap1 x Nipple1 x Power AdapterPlease note: 1> niceeshop(TM) is a registered trademark and the only authorized seller of niceeshop branded products. 2> niceeshop provide you various kinds of great products at the lowest possible prices, welcome to our store and get what you want !!! 3> niceeshop highly appriciate all customers' opinions to improve the selling ,also if anything you unsatisfied, pls contact our customer service department for probable best solution.