McKesson Nasopharyngeal Collection Swab, 5½ Inch, 1 Box of 50 Air Fresheners and Deodorizers Firm High Density urethane foam with Furnishing Accessories Firm High Density urethane foam with vinyl sewn covering * Length 12 Width 14 Height 3 Knee High (Closed Toe) * 15 20 mmHg * Classic Black * Medium * Ankle Circumference 8 3 8 9 7 8 * Calf Circumference 11 7 8 16 1 2 * Stylish leg therapy that is easy to don for soft and comfortable year round wear * Made with a combination of silicone blend finish multifiber yarn and 3D knit structure * Cool and breathable which makes it comfortable to wear any time of the year * Guaranteed compression 15 20 mmHg 20 30 mmHg 40 mmHg for optimum medical efficacy using multifiber yarns for the softest feel * The reciiprocated and reinforced heel allows for greater durability and lasting comfort * Jobst© Opaque© conceals blemishes varicose veins and scars * Now available in luxuriously smooth non ribbed style * Latex free Miniature calcium alginate tip is biodegradable Flexible aluminum shaft