Absolutely safe and can sleet on the mattress pad for overnigh and everyday.
The kind of Bio-Spectrums;
Near Infrared ray 0.75~1.5 micron
Middle Infrared ray 1.5~5.6 micron
Bio-Spectrum 2.5~1000 micron

Size: Single: 100 x 200 x 4cm /40" x 80"
Double: 190 x 200 x 4cm / 76 " x 80

This jade mattress is an electric heating mat that emits Bio-Spectrum, Negative ion, and Magnetic super long waves.

This products helps modern people who do not have enough time to pay attention to their health to sleep soundly. While sleeping on a modern bed you can get the benefits of the futons of the East.

This product is excellent for home use for chronic ailments like arthritis, back pain, asthenia, chronic fatigue, old people lack of energy and listless more chronic ailments.