If you have any questions about product quality or other issues, you can always consult us. We will respond within 24 hours. Whether it is pre-sales or after-sales, we will help you answer all your questions. Thank you for your questions and valuable comments. We will actively correct and strive to do our best. Versatile: Our eye patches can be used in eye patches for adults medical, to correct amblyopia, strabismus, pseudomyopia and to aid recovery after eye surgery. Can also be used as makeup for holiday parties. PREMIUM MATERIALS: These eye patches for adults are made of polyester on the outside and sponge on the inside for comfort and no stress on your eyes. Size: You will receive an eye patch that measures 7.5cm x 6.8cm. This eye patch can be worn on the left or right eye. Adjustable Strap: This medical eye patch is designed with an adjustable strap, which is comfortable and adjustable, easy to use and comfortable.