Slip Silk White Queen Zippered PillowcaseFirst time customers can also enjoy a further 10% off if they sign up to our newsletter and confirm their subscription. Slipsilk 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. Using the highest grade (6A) long fibre mulberry silk, with a thickness of 22 momme and enforce the strictest quality guidelines, including non toxic