Organic SilkWe use only pure Mulberry silk, which is an organic fiber with a relatively low carbon footprint, low soil and low land impact. Mulberry leaves trees help to store carbon. Cool to the touch, sensuously smooth, hypoallergenic and breathable. Natural Beauty TherapyDermatologists recommend natural soft silk pillows for hair and face protection, as it is less scratchy and coarse on skin than cotton or linens. Great for preventing morning bed head, dry skin and wrinkles Benifits for SkinPrevent sleep wrinkles by providing a slippery surface to slide over instead of tugging and pulling at delicate facial skin Benifits for HairProtect curly hair and keep your hairdo nice while you sleep, and you don't wake up with crazy split ends or frizz by experiencing less friction Hidden ZipperYour pillow wont slip out the case. Beautifully finished, with interior edges stitched over STANDARD SIZEStandard size: 51 cm x 76 cm (20 x 30 inches), fits most UK standard-sized pillows. Toxic-free, made without harmful substances like formaldehyde, mercury and other heavy metals. It's completely safe and eco-friendly, skin-friendly