Mulberry Silk Sleep Mask H8.5cm*20.5cm, PinkIn the package, there are a 22 mm mulberry silk Sleep mask, which is the epitome of small luxury. With almost 30% more silk per square inch than 19 mm, 22 mm silk has a longer lifespan. 22 mm silk sleep mask provides the ultimate combination of shine, thickness, softness and durability. We use the highest grade (6A) long fiber mulberry silk, with a thickness of 22 mm and enforce the strictest quality guidelines, including non toxic dyes. Three style