Soft straw material is breathable to wear. Made of 90% paper straw and 10 % polyester. The hat size can be adjustable through the rope inside the hat. Foldable and packable to be easily carried inside your handbag or beach tote. Packable and convenient to carry and absolutely save lots of space. Cute and lightweight, breathable and comfortable for the hot summer weather. A wonderful hat for wearing while gardening, at the beach, pool, park, camping, hiking, race day events, even out in your own back yard or any outdoor activities. One Size fit most lady women. Hat circumference 22.5". Brim 2.9"