Product Information 1.SizeThe diameter about 8cm/3.15inchcan be stretched to 18cm/7.1 inch 2.MaterialUsing high-quality satin and velvet materials 3.Packing Including30pcs velvet scrunchies+30pcs silk scrunchies 4.Excellent ElasticityYou can pull it at will, it won\'t break easily, it can be used for a long time without breaking Widely Application ..