Helps relieve arthritis, hand pain and swelling, and cold hands. Provides mild compression to enhance blood circulation. Open fingertips allow freedom to touch, feel, and grip. Cotton Lycra allows the skin to breathe. Comfortable to use all day and night. To find size, measure across the knuckles: small up to 3 1/8", medium up to 3 1/2", large up to 4". Latex Free.