95% Cotton + 5% Silver Fiber Experience Natural Sleep: Enjoy a peaceful night's sleep with our grounding sheet. It gently releases static electricity from your body to the Earth through a grounding cord. Say goodbye to restless nights and hello to improved sleep quality and reduced fatigue Comfortable & Conductive: Made with 95% cotton and 5% silver fiber, this earth grounded fitted bed sheet is soft, breathable, and highly conductive—suitable for all seasons. The high silver fiber content quickly dissipates static and enhances durability. A ground tester is included for conductivity verification Tailored Fit for Your Mattress: Measuring 78 x 80 in, this grounding fitted sheet fits mattresses up to 13 in / 330.2 mm depth, making it a great match for king-size beds after slight folding Hassle-Free Setup & Care: Simply lay the earthing grounding sheet, attach the grounding cord, and connect to the grounded socket port. Machine washable like regular sheets, with no impact on conductivity. A socket tester is included to confirm proper grounding Electric Shock-Free Comfort: This earthing fitted sheet features a built-in ＞100 kΩ resistor, ensuring secure use. It shields users from electric shocks during electrical faults or lightning storms