100% Polyester Elastic closure Machine Wash Features - Neck gaiter summer fits for most head size, suitable for both men & women, adults & youths - Sun uv protection mask windproof and dustproof, moisture wicking and breathable, quick-drying - High elastic fabric, soft and comfortable, no odor, no harmful factors - Variety of shapes, can change a variety of styles and uses, is one of the necessary equipment for outdoor travel - Machine washable, no fading, no deformation, no ironing Specifications- Natural Size: 17.8in x 9.4in (length x width) - Highest Stretchable Size: about 22in x 38in (length x width) After- Service - If you are not satisfied with any problem of our face mask bandana, please feel free to contact us.