This bioflex sleep mattress has the following features:

• Ultra – Plush 4-way Stretch State of the Art MicroLux Fabric, High Density Super Soft Foam and 100% Woven Cotton Channels.
• An abundance of bioflex concentric circle magnets strategically imbedded in the upper layer to improve circulation, accelerate healing, and enhance pain relief.
• Sized from Personal to King, bioflex Magnetic Sleep Pads are portable, folding up to a fraction of their size.
• Magnetic Mattress Overlay Sleep Mattress is also available in luxurious Merino wool covering.
• Each foot of magnetic strip contains 5 concentric fields, 500 Gauss per field.

Via Amazon