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!