【Product】General Medical Device Lymph Support Socks, M-L size, Black Line, High Socks 【Product Description】 This product applies concentric compression to the area of wear through its elasticity, and has a structure that reduces the compression pressure from the peripheral to the central area. These are medical elastic stockings designed to reduce or prevent stagnation of venous blood and lymph in the lower limbs, and to promote venous return. They have the function of applying graduated compression from the periphery to the center. M-L size Ankle circumference: 22-25cm Calf circumference: 36-42cm Materials: Rayon, Polyester, Nylon, Polyurethane, Silk Compression Pressure Calf: 21hPa Ankle: 27hPa 【Shipping】 ▪︎ Shipping will take 1-3 days after payment is received. (Shipping operations are not conducted on Saturdays, Sundays, and holidays. Depending on the product, it may take several days to ship. In that case, we will contact you.) 【Other】 ▪︎ Shipping will be in simple packaging.