DescriptionThe design is perfect for convenient use as it has an elastic design. They are very and comfortable to use. No pressure to eyes, perfect for adult or kids lazy eye correction. With the premium and safe material, they are very safe for the eye skin.Features-Material: Silk. -Size S: About 7.00X5.00X0.20cm/2.75X1.97X0.08inch; suitable for glasses with a frame height of 2.8-4.0cm.(1.10-1.57inch). -Size L: About 7.00X6.00X0.20cm/2.75X2.36X0.08inch; suitable for glasses with a frame height of 4.0-4.8cm.(1.57-1.89inch). -Helpful for daily patching for eye condition, with elastic strap design, they are very convenient to use. -They are carefully manufactured with supple silk material that can be used for a long time. -These single eye-patches are suitable for both children and adults to wear, comfortable and light. -They can help training exercise eyesight, protect the amblyopia eyes from bright and dazzling lights. -Small size and light weight, they are very convenient to carry and store out, and they will not take up too much space.