• Nausea relief through massage on precise acupressure points. • Made of high-quality polyester and elastic material, breathable and reusable. • Can be washed and dried for multiple uses, being environmentally friendly. • Helps reduce nausea caused by motion sickness in land, air, or sea travel. • The set includes 4 pairs in assorted colors: black, pink, yellow, and white. • Works by compressing the Neiguan acupuncture point with a special plastic ball. • Use on both wrists is recommended for best results.