Magnetic Pillow Pad -size: 24" x 36", contains 80pcs ... back pad -Improve sleep quality Magnetic Pillow Pad 1. Multi-functional, take it as pillow pad, chair pad, back pad ... , knee pad.2. Contain bio-magnets inside, permanent magnetic field reach ... 1000 Gauss. 3. Enhances magnetic field around you.4. Face ...