A sleep aid and eye relaxer， made of 100% top-quality Natural mulberry silk on BOTH sides. Super-soft， super-smooth and really cool!Gentle， easy-to-adjust headband . And the plastic adjuster stays at the back of your head， not at your temples， which can be uncomfortable for side-sleepers. Fully adjustable strap from 15.8 inches to 27.6 inches， suitable for Men/Women/Children.Ideal for dry-eye sufferers， as the breathable， natural fibers of mulberry silk allow healthy oxygen in while keeping dry air out.Free cool string-tie carrying bag and a pair of soft， flexible foam earplugs .It's the perfect solution to encourage a better rest and leave you refreshed and stress-free the next day!