Our L-size double eyelid set contains silicone PET film, high quality fiber. It can be natural and long-lasting, convenient and quick, waterproof and sweat resistant. Its use method is very simple: spray water around the eyes, adhere to the water, use a Y-shaped fork to pull out the double eyelid tape, stick to the concave and convex part of the eye. Use the Y shape and the other end to adjust the position of the eyelid patch. After adjustment, you can pull it in the blink of an eye. And it can make the eyes more vivid.