Package Contents: You will receive two sets of eye patches.It is divided into two parts that you can replace every day or share with family or friends.Comfortable Material Our eye masks are made of soft and breathable materials that are comfortable to wear, smooth, sturdy and durable.3D Design: Our medical eye masks have a 3D groove design, so they will not come into contact with your eyes and will not make your eyelids and eyelashes uncomfortable.Adjustable strap: The strap can be adjusted within 30-55 centimeters.You can adjust the length as needed.The size of each eye region is approximately 7.5 x 7 centimeters, suitable for adults and children, whether it is the left or right eye.Our medical eye mask is widely used for amblyopia, vision training, eye surgery recovery or daily use.