These eye patches are made of mulberry silk and spinning cotton, smooth and soft surface makes you feel very comfortable and relaxed. Comes with an elastic strap and you can adjust the head strap size to fit your head circumference, Adjustable head strap, easy to use: Fully adjustable strap from 14 inches to 25 inches. Suitable for most head sizes and easy to use.

Both the pink and black eye patch size is (Approx.): 9.5 x 7.5 cm/3.7 x 2.9 inches, training the lazy eye to work properly, so that vision can develop correctly. Reusable, eco-friendly and no Adhesive Eye Patches.