About this item 100% Copper Infused Polyester- Size: 20??W x 30??L. Machine-washable, safe and non-irritating. Color and anti-aging technology proven to last over 100 washes.Package including:1 pc cooper-infused pillowcase.Color:Dark BlueSKIN CARE PRINCIPLE – When the skin comes in contact with a pillowcase, copper fibers begin to release copper ions, and some of the copper ions are absorbed by the skin and enter the basal cells and participate in collagen production. There is also a large amount of copper ions left on the pillowcase to form a clean bacteriostatic environment, protect the health of the skin and reduce the formation of acne muscles. Started to make anti-aging skin SPA for the skin automatically.BENIFITS – Copper minerals are know to promote the natural growth of proteins in the skin. Soft & silky copper infused threads release copper ions as you sleep, gently & naturally improving your skin and all you have to do is get a good night’s sleep on your pillow.SAFE METABOLISM – Copper that enters the body through the skin is normally metabolized and safe.Renew your skin while you sleep and wake up to fresher, younger-looking skin with the soft and silky Alfredx Pillowcase, which is infused with smart patented anti-aging copper technology that is clinically proven to visibly reduce the appearance of fine lines and wrinkles and promote smoother hair after overnight use.