If you're a nursing mom on-the-go, you'll love the lightweight and portable Evenflo ComfortEase Manual Breast Pump. This pump enables you to express milk into the included 4 oz. and 8 oz. nursers, as well as most standard size 4 oz. or 8 oz. reusable nursers. Includes Pump Unit, 4 oz. nurser, silicone cushion insert, cap ring, nipple, sealing disk, four disposable nursing pad samples and carrying case.