BPA FREE, The First Years Natural Comfort Double Electric/Battery Breast Pump is lightweight and ergonomically designed for comfortable one-hand pumping. Efficient, automatic suck-and-release action mimics the nursing rhythm of your baby, for quick expression of breast milk. Suction can be adjusted to your comfort level. May be battery operated in desired. Rotating pump arms. AC adapter included. Complete assembly, operating, and cleaning instructions included. Includes; Fast auto cycle breast pump Battery or electric option Personalized suction control Storage base to keep everything together 2, Soft lanolin-treated disposable pads 2, 5-oz bottles 2, Nipples 2, Collars 2, Caps 2, Milk storage covers 2, Wide mouth bottle adapters 1, Black carrying case 1, Cold pack