Material:cotton fabric+silver fiber. Sheet Color: primary color Sheet Size: 27″52″/68132CM, 35″90″ /90230CM, 76″80″/193203CM, 60″80″13″/15320333CM Pillowcase Color: White/ Grey Pillowcase Size: 20″30/5176CM. Durable and will hold up to hundreds of washing and dryings on the low heat setting. There is definitely a more powerful feel with a 98k ohm resisted link. Extensive research has shown that a 98k ohm resistor matches the same ground potential of the human body for a better results. HOW TO USE THE EARTHING Fitted sheets. Step 1: Check Your Outlets For Ground. Connect it to the “ground port” of a grounded 3 prong outlet. Before plugging in your Earthing product, check if the outlet is grounded by plugging in the outlet checker. Step 2: Setting Up The Fitted Sheet. Place the Earthing sheet over your mattress. Insert one end of the Earthing cord into the ground port (third hole) of a properly grounded wall outlet or connect to cord of an Earthing ground rod placed in the Earth outside. When you lie down on the connected sheet, any bare skin contact will transfer the Earth’s energy to your body once you connect the sheet. Step 3: How To Wash and Care For Your Earthing Fitted Sheet. Washing it by hands in cool pure water. 1 x grounded conductive sheets. 1 x charging cable(USPLUG). Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures. Due to the manual measurement and different measurement methods, please allow 1-3cm deviation.