Full finger high-quality black Pro Series gloves are designed to help the cue slide smoothly over your bridge hand, reducing friction. Reduced friction equals a more consistent and accurate stroke. This glove will go on both right and left hand.What Size Am I?To determine which size of billiard glove you need, lay your hand (palm down) flat on a piece of paper. Draw a line on either side of your hand at its widest point (excluding the thumb). If the distance between your two lines is:3 1/8″ or less, you need a small3 1/8″ – 3 3/4″, you need a mediumOver 3 3/4″, you need a largeIf your hand is even larger than that, go for an extra large