●Spandex,Nylon ●Pull-On closure ●Machine Wash ●PERFECT COMPRESSION - MEILYLA compression socks (20-30 mmHg) are recommended by doctors and trainers. Which will help improve performance while alleviating leg pain and swelling, provide the maximum boost to your blood circulation. ●FEEL THE COMFORT - MEILYLA compression stocking is made of premium quality, breathable & durable high quality compression fabric Nylon 77%, Spandex 23%. With seamless woven construction, these fit snug with no loss of compression for a long time. it will aid in muscle recovery from your toes, through the feet, ankle and calves, also up the leg. ●DESIGNED for CROWD - Perfect for athletes, runners, nurses and doctors, pregnant women, travelers- anyone on their feet all day. Provides significant relief for aching leg, calf, ankles and feet. Firm compression and helpful support for old and new injuries. ●DESIGNED for COMFORTABLE - Ideal thickness to fit any shoe. Discreet and stylish design for walking, sitting, standing, travel and all attire from casual to work, dress. ●FIT FOR YOUR NEED - The 20-30mmHg professional graduated compression socks are suitable for all compression needs. The progressive pressure technology enhances elasticity, so there will be a tight fit when first worn, its normal. If conditions permit, we strongly recommended purchasing 2 pairs for the same product to replace them, as this will double its life for each pair.