These health sandals use artificial stone and natural wood. The strap is adjustable with Velcro, allowing for a secure fit to your feet. They can be used indoors, on the veranda, or even in the office. The colorful stones stimulate the acupressure points on your feet. Healthy feet contribute to a healthy body. These sandals provide a pleasant stimulation to the pressure points, supporting the development of a healthy body. Just wear them for 10-15 minutes a day to relieve foot fatigue. Materials: Artificial stone (PVC) and leather, wood Usable locations: Home, office, etc. Colors: Black (also available in red and pink) Sizes: 23.5-24.5cm ☟ You can check other colors and sizes from the list below. #Himari_HealthSandals If the stimulation feels too strong when you first start wearing them, we recommend wearing socks initially or wearing them while seated, gradually getting used to them. ※ Imported products, so there may be minor damage during transportation. Heel height...0-3cm