1. Weight: about 45g 2. Size: about 7.36x3.56 cm 3. Material: ABS 4. Uses: decompression toys, massage balls 5. Features: light and portable, with prominent edges and corners on the surface to facilitate massage, internal bearings, gears push around the ball, making the massage ball make a sound every time it rotates, relieve stress, reduce anxiety, and simple play
