Spa and other 65,000 icons from Icons8 icon pack follow the visual guidelines of the operating systems: Windows, iOS, Android KitKat, and Material. PNG format is free up to 100x100 px. Icons are availble for download in PNG and vector (SVG, PDF, EPS, and more).
The icon is a depiction of a bathtub filled with hot water. The tub is comprised of a large half-rounded rectangle with a lip above, and supproted by two spindly feet below. Steam is rising out of the bathtub. The icon represents a beauty or health spa.