Thank you for viewing! We offer valuable lifestyle products at affordable prices. Eye strain recovery! Vision improvement training! These are pinhole glasses. Do things look a little clearer when you squint? By reducing the amount of light entering the eye, it becomes easier to focus. These glasses have that effect. Use them to look at distant objects and relieve eye fatigue. Material: Plastic Color: Black 《Regarding Shipping》 ◎ Address changes are not possible after purchase. ◎ Items returned due to an incorrect address will be resent with the recipient paying the shipping costs. Please confirm your address before purchasing. ◎ Shipping will be via standard mail with no tracking. ◎ Please allow 3-5 days for delivery. ◎ Shipping will be done on weekdays when the post office is open. 《Other》 ◎ As these are imported products, there may be loose stitching, small scratches, or stains. Please understand this before purchasing. ◎ The color may appear slightly different depending on the type of monitor you are using. ◎ To keep shipping costs as low as possible, we will ship using simple packaging. ◎ If you have any issues after receiving the product, please contact us before leaving a review. We cannot address issues after a review has been left.