STOCKING ANTI-EMBOLISM KNEE XXL REG LF Stocking specifically designed to deliver 15 mmHg to 18 mmHg of gradient pressure to help increase blood flowand decrease risk of DVTTailored, contoured fit with just the right amount of gradientpressurePressure greatest at ankle and gradually reduces through length of leg ideal for non-ambulatorypatientsConstructed from 90% nylon and 10% spandexColor-coded stockings with size charton each bag and ruler in each box Unit: BX