Enough Quantity: Comes 12 pcs black eye patches, each size is about 3.15 x 2.36 in, plenty for daily replacement. Functional Use: The single eye mask is soft and breathable, designed for the left eye and right eye, great for eye care and shield, also good for a costume. Great Fit: The eyepatch is fit well and adjustable, stay in the right place, contour to your face. As plain black color on both sides, the eye patches are suitable for both men and women. Elastic Rope: Each eye patch is attached with elastic strap, make it easy to put on and off, adjustable and fit for almost all ages and sized head( from kids to adults). Well Made: Made of soft felt material, our eye patch are designed for the most comfort. Large enough to cover the eye, do not leak the light, soft enough to wear for extended period.