" Two adjustable sizes: large cap circumference: 56-58 cm (22 inch-23 inch), brim 7 cm (2.7 inch). Suitable for most adults. Small cap size: (20.5-21, 3 inch) It is an ideal female hat for beach, fishing, swimming pool, park, hiking, Camping, traveling, hunting, gardening, or all outdoor sports and activities. UPF 50+: This beach hat has passed the UPF 50+ test. The brim is wide enough to cover the head, face, eyes and neck. Sunscreen fabrics give you better sun protection and block 99% of the ultraviolet rays and rays, which are harmful to the face and neck. This hat is essential for every sunny day outside. Quick-drying cotton-polyester fabric: Summer hats are made of high-quality materials, are comfortable, soft and skin-friendly. This hat features a mesh ventilation hole to keep it cool and protect you from long hours outdoors and sunlight to protect. The breathable lining keeps your head cool. Practical and stylish design: Classic and stylish colors go perfectly with most summer outfits. The adjustable and removable chin strap ensures that the hat protects your head in the wind. In particular, the ponytail opening the back is an intimate design for women. The buttons on either side of the hat give you different styles, are easy to fold and carry, you can push them into a purse or beach bag and still look good off. Service: If you have any questions, please contact us. "