Bathtub safety - the design of the independent air bag is not deformed, and the built-in Boston safety valve can effectively prevent air leakage. The tub and swimming pool can be used twice. The top cover is removable and can be used as a swimming pool when removed. Thickened massage bubble floor - thickened warm massage floor without pedals, bathtub thickness, bathtub thickness up to 0.25mm, using seamless hot melt technology Environmental protection material - the unique cup holder design of the bathtub can put shower gel tea cups and other items, after strict inspection, 24-hour inspection from the factory, to ensure the quality, environmentally friendly PVC material, authoritative inspection accompaniment. Available in four seasons - heat-resistant 20-60 degrees, available in four seasons, safety pillow, independent airbag design, protect the head and neck