Safe and durable materials: Foot bath coil is built from safe ABS and stainless steel components, designed to withstand moisture for regular foot spa use. Component set: Includes Footbath Tool, Cleanse Tool, Foot bucket parts, and the Foot spa machine element to support a complete foot spa setup. Functional mechanism: Through ion penetration, the Footbath Tool activity helps activate enzymes in the body and supports cleansing during use. Wellness benefits: Helps promote relaxation and supports better sleep as part of a foot spa routine. Use scenarios: 1) After a long day on your feet, use the foot spa setup to unwind and refresh. 2) As part of a bedtime routine to help prepare for restful sleep. 3) During a home spa session to maintain foot comfort and overall wellbeing. Specifications and performance: Materials are ABS and stainless steel for durability; designed for use with the included Footbath Tool, Cleanse Tool, and Foot bucket parts to support a functional foot spa experience.