Material:Polyester,Spandex. Their unique design provided mild compression for warmth and helps increasing circulation,which sudden reducing pain and cosmetic healing. Arthritis Compression Gloves Useful:It helps improving blood circulation,accelerating gentle compression,massaging relief,relieving hand pain,healing joints,arthritis compression. Keeps your hands and wrists warm all day which helps relieve pain and stiffness and allows you to feel your best. Easy to clean,simply place these gloves in with your normal laundry.Wash and dry with your clothes every few days to keep them fresh and long-lasting.