Product Features
1.The Total length 210 mm, total weight 60 grams, with two balls, each of a maximum width of 37 mm and weighs about 30 grams.
2.You can train with a single ball or two balls. The ball contains a small ball. You can experience the vibration of the ball during the training process to better help your training experience.
3.High grade medical silicone material, no smell.
4.100% waterproof.
5.Clean: After use, you should be cleaned soon ,Warm water and soap can be used to clean ,with special detergent and disinfectant.