The Slipsilk Difference Slipsilk is 100% pure mulberry silk that is specially-commissioned and made to exacting standards, developed and refined over ten years to provide the ultimate combination of shine, thickness, softness and durability. Made from the highest grade (6A) long fiber 100% pure mulberry silk, with a thickness of 22 momme and non toxic dyes. ANTI AGING. ANTI SLEEP CREASE. ANTI BED HEAD. Brand new/unused in original box. Color is "Pink"