The Amethyst Quartz BioMat.
The BioMat is a 1" thick 'mat' that easily fits on a bed or any flat surface. It is a state-of-the-art FDA approved Class III medical device (US FDA Medical Device No. 2954299). Class III medical devices "are usually those that support or sustain human life, and/or are of substantial importance in preventing impairment of human health." (FDA website)
*View the Class III medical device description on the FDA Website by clicking here