DescriptionThese items are some mask glasses cords, which are made of premium polyester material, they are very lightweight and durable. simple design is practical, they prevent the mask andglasses slipping. they are adjustable, you will adjust the size freely. your ears can get rid of the red and swollen and pain troubles.Features-Color: As Shown. -Material: Polyester. -Size: Approx. 63 x 1 x 1 cm / 24.80 x 0.39 x 0.39 inch. - Made of premium Polyester material, you will use them for a long time. - The appearance design of the product is simple and generous. - and adjustable design, you will feel very comfortable. - Used for hanging masks or glasses around the neck, very practical, and convenient. - Suitable for kids, one rope can be reused many times.