Jaciu 100% Silk Pillowcase, for Hair and Skin, Both Side Mulberry Silk Pillowcase 21 Momme 600 Thread Count with Hidden Zipper Hypoallergenic Soft and Breathable(Light Purple,Queen: 20"x30",1pcs) : Amazon.co.uk: Home & Kitchen
PiccoCasa PiccoCasa Silk Pillowcase King Size, Both Side 400 Thread Count 19 Momme Purple Silk Pillow Cases for Hair and Skin, 1pc 20"x36", Non-Zipper/Envelope Closure : Amazon.co.uk: Home & Kitchen