A washing device for washing breast pump accessories and baby bottles, by spraying water in jets of high pressure, includes a washing enclosure a water inlet a drain outlet a tube network a wash pump a heating element a tray a top sliding mesh lid a breast shield clamp, including a clip, a clamp base, and extender arm, and adjustable side arms a distribution valve a plurality of water dispensing components, including spray pipes, a top spinner, a bottom spinner, side spinners, side nozzles. Spray pipes can be height adjustable, and can include spray nozzles, which can be flexible or rotating. Side nozzles can be adjustable or rotating. The washing device can further include a steam generator or an ultraviolet sterilizer lamp for sterilizing contents placed in the tray.