Material: Cotton Designed for power nap in travelling Sleeping in day or night, yoga and meditation relaxation. Total Black out from bright light For eyes skin,Cotton Silk is the best natural fabric and far more superior than polyester or nylon sleep masks. Eye Mask is universal size and can be used by men, women, kids regardless of their gender and size. This travelling eye mask will definitely be a change in your eye care. Brand No Brand SKU OT776SP18UFOCNAFAMZ-203748