Effective Patching Treatment - These medical eye patches are approved to treat lazy eye Amblyopia Strabismus, which training the lazy eye to work properly.^Super Soft Velvet Material - Skin friendly, Breathable, Comfortable, non-adhesive to the eye, super soft against the kids delicate skin and won"t scratch your glasses.^Full Coverage&No Light Leakage - Our kids/adults eye patches offer full coverage without leakage, which provide better correction for the treatment.^Perfect Fits Left & Right- Each single eyeglass patch is about 10 x 5cm, can be applied on the left or the right of children glasses, and fits perfectly and stay tightly.^Easy to Use - Three-steps installation, and put the patch over the "good" eye. (Warming Tips: Please measure the lenses of glasses size before purchasing.) ^ About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.