Primer® Unna Boot, 3 Inch x 10 Yard, 1 Each 30 40 Thigh High 5 W x 7 H Parts are DEHP and 5 W x 7 H * Depth of penetration * Arrows indicate the relative depth of ultrasound penetration between 1 MHz and 3 *Relief is an economical unisex stocking appropriate for use by both men and women *Open Toe Design *3 D knit structure using air covered spandex yarn that is soft to touch and comfortable for all day wear *Reinforced heel designed for long lasting durability *80% Nylon 20% Spandex Latex Free *Large *15 20 mmHg Moderate Gradient Compression Indication Guide: *Discomfort from spider veins *Relief from minor leg & ankle swelling *Relief from minor edema lymphedema *Relief of tired aching legs *Relief of leg discomfort during pregnancy *Minor varicose veins *For wear following sclerotherapy *Orthostatic hypotension *Postural hypotension *Helps Prevent DVT (Deep Vein Thrombosis) *HCPCS Code CPT Code: A6530 retains its moist consistency over extended periods encouraging ambulation