Colour: Black Material: hand grip plus non-slip matte leather wooden stick Load bearing: 250kg Dimensions: diameter 39.5 cm, ground 8 cm Durable, non-slip surface: made of durable, high-quality wood. The surface of the wooden board is non-slip, ensuring good balance, grip and stability 360 degree rotation: 360 degree rotation and 10-20 degree tilt angle Improve core strength and posture: improve core strength, posture, enhance coordination, balance and visual sense Target muscles: help to strengthen target muscles, ligaments, tendons and joints Very suitable for training: very suitable for rehabilitation centers, gyms, professional athletes and individuals