Package ContentsThe package includes 2 packs of black eye patch.These are adhesive-free eye patches, hand-sewn with fine threading.they are eco-friendly and reusable,and can be hand washed in cold water with soap to clean. Comfortable and SoftThis eye patch is made of soft fabric and high elastic sponge.The surface is smooth, making your eye feel comfortable and relaxed.3D groove design will not press eyes,leaving no pressure on your eyes,comfortable to wear. Wide ApplicationThis eye patch is suitable for correcting amblyopia,strabismus,pseudomyopia and helping rehabilitation after eye surgery.It is also a good choise for Halloween dress up party, masquerade and cosplay show,such as pirates dress up. Universal Size Each eye patch measures 2.9 inches x 3.7 inches / 7.7cm x 10 cm. One size fits most. And it can be used on either eyes. Adjustable lengthThe elastic bands adjustment range is from 11.8 inches to 21.6 inches. It is ADJUSTABLE, so you can adjust it to the desired length according to the size of your head. Suitable for adults and kids.