Size fits most hands, It has a very smooth surface, you will get minimal friction on the string while you play. The function of a yoyo glove is to protect the player's hand while playing with a yoyo. The glove is typically made of a soft material such as cotton or nylon and fits snugly over the player's hand. It helps to reduce friction and prevent string burns on the player's fingers as the yoyo spins. Additionally, the glove can provide better grip and control of the yoyo, making it easier to perform certain tricks and maneuvers. Some yoyo players may find a glove to be an essential accessory, while others may prefer to play without one depending on their personal preferences and playing style.