[Material]: 100% cotton, adjustable stainless steel strap buckle. It is recommended to use cold water / do not bleach / hang or dry. [Size]: Head circumference 56-60 cm (22-23.6 inches), suitable for men, women, boys and girls. [No deformation]: The classic 6-panel design, the front 2 panels are lined with Oxford fabric, which can better shape the cap and prevent deformation; [Applicable scenarios]: Basic and fashionable accessories for daily headwear; sun visors for outdoor work or activities; sports caps such as baseball, running, fishing, and golf caps.