Low - Rebound memory foam, soft and comfortable. No pressure on eyes, eye space is wider and deeper than other flat eye mask. Top quality fiber fabric never stain bed sheets or pillows. Memory foam makes you feel comfortable. Fits 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. The logo processing can also be done. The prices are based on sea shipping for quantity over 3,000 pieces.