The Simon donning device from Sigvaris provides an easy, faster method to put on as well as remove compression stockings. Especially good for individuals with limited mobility, this device reduces the physical strain of donning compression garments. This quality donner allows for more independence and improves your daily routine. The device will also decrease wear on stockings. Features: Compact design can be disassembled for travel Works well with knee high and thigh high stockings Suitable for people who cannot reach their feet Available in four sizes: X-small, small, medium, large (see chart) Made of plastic and metal For open or closed toe stockings Sizing guide based on calf circumference: X-small : 25-29cm Small : 30-38cm Medium: 38-46cm Large : 46-54cm