This double bed sheet will protect you against harmful low frequency EMF radiation while you sleep; it is also ideal for conjunction of the body with the earth, known as Earthing. The sheet is layed on the mattress, you sleep directly on it. Because of the 150 cm width fabric, there is a seam exactly in the middle. Specifications - Size: 240 x 240 cm (94.5 x 94.5 inches) - Delivery contents: Sheet with 2 ground connection points - Color: White with a silvery checked pattern - Raw materials: 95 % cotton, 4 % polyester, 1 % silver - Weight: 130 g/m² - Conductivity: 15 Ohm / 100 cm Fabric Care - Wash at gentle cycle 30°C - Iron without steam at degree 1 - No drying in tumble dryers - No bleaching - No chemical dry-cleaning