Soft, comfortable and adjustable. Blocks out light. Helps create greater balance while sleeping or meditating using the addition of 7D Technology®. Copper infused fabric worn next to the skin has been clinically shown to improve the feel and appearance of the skin. Copper Infused Fabric 100% Silk Filling Breathable and soft Adjustable 8 x 3.5 inches (21 x 9 cm)Ladies Copper Infused Silk Eye Mask with 7D Technology®.