Skin-Friendly MaterialThis eye patch made of soft & smooth materials, comfortable and would not to put pressure on your eyes. Adjustable Elastic HeadbandThe 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. Care Your EyesOur patch features 3D groove design, it doesn't irritate or touch the eyelid and eyelashes. Great for lazy eye training, surgery recovery period, daily use. Suitable for Either Eyes Each eye patch measures 2.95 inches x 2.76 inches / 7.5 cm x 7 cm. One size fits most. And it can be used on either eyes. What You GetYou will get 2 pack black eye patch, and our friendly customer service.