This item is a type that can be attached to a hat with a hook. Please make sure you have a loop inside the hat to attach it with a hook before purchasing. Length: Approx. 29.5 inches (75 cm) (Because it is an overseas product, there may be slight variations in length. Please be aware of We recommend wearing a chin strap to prevent the hat from falling off or falling off when you are in active scenes such as surfing or when the wind is strong. Adjuster is included so that you can tighten the excess cord to suit your needs. An essential item when using a hat without a chin strap. Great for a variety of occasions such as fishing, kayaking, boating, camping, hiking, sailing, jogging, rock climbing, absailing, walking, traveling, outdoor activities, mountain climbing, and more. The simple design can be used with any type of hat for men, women, children and the elderly. Hat, Chin, Chin, Strap, Strap, Large, Windproof, Strong Wind, Adjustable, Removable, One-Touch