90% Organic Cotton and 10% Sliver Fiber GROUNDING TECHNOLOGY: The grounding sheets are made of 90% organic cotton and 10% silver wire fiber, It is both sturdy and soft. Earth grounding sheet provide excellent conductivity for a good night's sleep, stress relief, pain relief, and improved health GROUNDING:The grounded sheets connection between us and the Earth’s natural energy, harness the Earth’s natural electron flow to promote profound wellness. Research suggests this grounding fitted sheet connection may confer health benefits by neutralizing free radicals, thereby potentially reducing inflammation, improving sleep quality, mitigating stress, and boosting overall vitality SUPERIOR MATERIAL: Grounding mat for bed is soft, comfortable, and grounding bed sheets have deep elastic pockets for all mattresses up to 15'' HOW TO USE: Connect the two ends of the grounding wire to the metal buckle of the grounding well bed sheet and your home electrical outlet, make sure to keep bare skin in contact with the grounded sheet, and please use it for at least a few weeks to get the effect INSTRUCTIONS FOR USE: The king grounding sheets device is connected only to the earth and does not require the use of any power supply, so there is no need to open the socket (Tingling during use is normal)，NOTE: The use of tools such as a voltmeter and test pen is only to test the conductivity of the grounding sheets, not grounding (Put on the silver fiber test is effective, ordinary fabric is invalid) Grounding Sheets