XP magnetic pads use 4,300 gauss research grade ceramic block magnets and produce a very deep penetrating, bio-north magnetic therapy field. XP pads effectively penetrate up to 8" below the skin so they're ideal for relieving pain in your hips, abdomen, mid-back and thighs. The XP pads are ¾" thick and can be applied vertically or horiziontally using our adjustable Comfort Wraps or Mid-back pad holder (sold separately). Easy-to-follow instructions are included. As with all Therion® products, XP Magnetic Pads are made in the USA