Carbon Technology Pain Checker™ open finger gloves provide all-natural relief from hand pain caused by arthritis, fatigue or general soreness. Therapeutic gloves feature carbon technology, a clinically tested, safe way to block pain signals using a body's natural impulses. To choose size, measure around palm of hand with tape measure. Pain relief gloves soothes aches with warm, mild compression. Extra-long wrist helps relieve aching in the wrist. Carbon technology combined with compression offers significantly improved comfort. Lightweight, breathable mesh for a comfortable fit. Small fits palms 6"-7"; Medium: 7.5"-8.5"; Large: 9"-10". Sold as a pair. Nylon/spandex/carbon. Machine wash; dry gentle. Made in USA. Individuals with pacemakers should consult a physician before using this product.