1Simple operation, convenient and practical, special designed for moxibustion treatment and having good effect. 2The multilayer design can withstand high temperatures, sturdy structure design ensure maximum durability and reliability. 3Flexible and widely applications, suitable for using while you are sleeping, sitting, working, can be used at anywhere. 4Closed circulation design gives the body better treatment effect, making you feel relaxed and comfortable after using. 5Made of high quality ABS material, including 2pcs rope of the package for better and firmly fixation use.