1It helps eliminate the toxin in the human body, promotes metabolism and blood circulation. 2Relaxes nerve pain, relieves muscle fatigue and strengthens the immune of the human body. 3Foldable and easy to store, you can fold and store when not in use, save space. 4Made of environmental PP resin, safe and you can feel more confident in using it. 5A great gift for the health of elderly people or people who always sit for a long time.