Dukal™ NonSterile USP Type VII X ray Detectable Gauze Sponge, 4 x 4 Inch, 1 Box of 100 Doctors Physicians Scales * Provides relief from tired Style:Right Ear * Provides relief from tired aching legs * Reduces mild swelling * Helps improve circulation * Provides continuous relief from tired aching legs and mild swelling * Use gradient technology to help improve circulation and revitalize your legs especially when sitting or standing for long periods of time * Styles available are Knee High Pantyhose and Thigh High * UltraSheer thigh high * Fine yarns for a sheer look * Provides relief from tired aching legs * Its innovative Made from 12 ply cotton gauze Blue filament in each sponge with a wave pattern ensures X ray detection