1. Weight: about 131 grams 2. Size: about 7.36x3.56 cm 3. Material: ABS, zinc alloy 4. Uses: decompression toys, massage balls 5. Features: lightweight and portable, with prominent edges and corners on the surface to facilitate massage, and the edges will stimulate the acupuncture points on the body, help increase blood circulation, relieve fatigue, simple play
