Used for two children, for a total of about 2 months. The silicone parts have discolored slightly due to aging. There is no problem with use. Please check the photos. Instruction manual included. Everything in the photos is included. Pigeon double electric breast pump, convenient with adjustable suction. - Brand: Pigeon - Included items: Instruction manual, power adapter, various parts - Features: Double pump function, adjustable suction - Size: Compact design, easy to carry - Material: BPA-free plastic Thank you for looking.