Features: Foldable Design: These Folding Umbrella Caps, Portable Head Umbrellas, fold compactly like a regular umbrella, making them easy to carry in bags or backpacks. The folded size saves storage space, ideal for travel, camping, or keeping in a car for unexpected weather Adjustable Fit: These Elastic Band Umbrella Hats have an elastic headband that fits most head sizes. The band ensures a comfortable, secure fit without being too tight, allowing extended wear during gardening, fishing, or hiking Specifications: Material: Polyester Color: Rainbow Color Size: about 21inch Package includes: 12 x Rainbow Umbrella Hat Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.