Massager: Designed for common foot heel and arch pain relief. Accessories: Get unisex magnetic acupressure insoles. One size: UK 3-8 (length: 27cm), trim around the edge for required size. Acupressure: Stimulates points of acupressure for comfort and better health. Made from: PVC and magnetic elements. Options: Choose one, two or three pairs. Unisex Magnetic Acupressure Insoles | Black | Living Social