The mats come with a thick layer of 100% natural crushed, tumbled and polished Purple Amethyst crystals infused in tubes across all the mattress.

High-end heat and sweat resistant animal-free Rich Brown eco-suede is soft to the touch and yet quite durable.

These mats are distinctive by heavy-duty Titanium heating system with zero EMF emissions. Adjustable 86~158°F (30~70°C) elements warm stones to emit infrared deep penetrating rays.

Brown Ereada® mats feature an extra Silver Fiber High Negative Potential function ( N.P. ) layer transmitting 600v DC of Electrical Discharged Negative Ions (E.D.N.I.) directly into the human body recharging it.

Classic Brown Ereada® Amethyst mats collection comes in seven sizes:

All Ereada® FIR mats and heating pads generate a lot of negative ions by crystals and inner anion layers with yellow mud and tourmaline fabrics.<

These mats come in two different voltage 110V and 220V.

Make sure that you order 110-120V / 60 Hz for the U.S., Canada, Mexico, Japan, and other countries with this voltage.

For South America, Europe, the U.K., Russia, China, Malaysia, Indonesia, Korea, and other Asian countries, select the models with 220-240V / 50 Hz voltage.

FDA registered manufacturing facility in Korea makes Brown Amethyst mats for more than twenty years. Many old mattresses are still in use. They have a minimum 10-years lifespan.

We cover Classic Brown Ereada® mats with a 2-year worldwide warranty. Shipping is free in the U.S. but is on customer's account abroad.