[No pressure on eyes eye space is wider and deeper than other flat eye mask. Great for Side Sleeper ultra-fit soft curved sides avoid moving minimizes pressure on temples comfortable for Any Sleeping Position. Top quality fiber fabric never stain bed sheets or pillows. Blackout memory foam with air holes more breathable and not stuffy. Fit all size head circumference fully adjustable buckle strap easy to adjust and not catch hair. Effectively blocking lights and allows your eyes freely blinking. Ideal for meditation Yoga travel napping insomnia.]