Helps relieve; arthritis, hand pain and Swelling and cold hands. Provides mild compression to entrance blood circulation. Open fingertips allow freedom to touch, feel and grip. Cotton Lycra allows 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" and Large up to 4". Latex Free.