This is a full size seat topper massaged. It has an elastic strap for strapping onto chairs and car seats. This massage is great for home, office or cars and adapter is included for both home and car use.It has 5 massage motors in 3 massage zones and also a heat function. It helps relieve stress, tension, pain and provides relaxation.You can use it at home while reading, watching TV etc. or in your car. The multi function wired remote control provides off and hi/lo intensity levels for upper back, lower back and neck areas.The heating function provides soothing heat and helps relieve pain in the back. Great for everyone, especially People who sit for long hours or drive a lot.