Pair of blue Chinese massage balls decorated with the Yin Yang symbol. Approximately 4.2 cm in diameter, they produce a gentle chime when handled or rotated in the hand. They are presented in an individual box. Use Also known as Baoding balls, Chinese massage balls are used in pairs, gently rotating them in the palm. They are traditionally used for relaxation and exercises to develop hand mobility and dexterity. Type: Chinese massage balls / Baoding balls / Qi Gong Design : Yin Yang Colour : Blue Quantity: 2 balls Diameter : Approximately 4,2 cm Material : Enamelled metal Special feature: Hollow, chiming balls Sound: Chiming effect when moved Gift box: Individual blue box with a red interior Gift box dimensions : Approximately 10,4 × 5,6 × 5,7 cm Use: Relaxation, hand exercises, meditation, traditional Chinese object Dispatch time: 2-3 business days.