Abstract: This present invention discloses a bath bag assembly that is time-saving, water-saving, space-saving, ergonomic, and for a whole-body bathing. Furthermore, a heating device is utilized to circulate and keep the water in a plastic reservoir of the bath bag assembly at a constant temperature. The bath bag assembly comprises: a bath bag; a supporting chair for holding the bath bag; wherein the bath bag has a plastic reservoir, a hard circular frame with an opening, a drain port, an inlet port, and an outlet port; wherein the supporting chair has a back part, a bottom part, a head part, an armrest part, and an opening for fitting the hard circular frame of the bath bag.

Abstract: Most of modern people take a shower with hot water when cleaning the body, indeed, that would be an enjoyment, especially in winter or chilling weather, people keep showering after cleaning body, thus, cause the waste of water and heating energy, thus, present invention provides a shower machine that can keep heating water by circular of heated water, comprises: an electrical water heater which can keep heating water circularly, characterized in: Said electrical water heater is assembled by a shell, a heating device with a water outlet tube which is disposed in said shell, a water feedback tube which is disposed aside the heating device, a water pump with a water inlet tube which is disposed aside the heating device, and a water tube for transporting water to said heating device, which is disposed aside the water pump.