The KALLORY adjustable brown anti-lost hat clips are made from a durable polyester and ABS material, perfect for traveling and sports activities. These clips are designed to keep hats secure and prevent them from getting lost during your active adventures. The adjustable design allows for a comfortable and secure fit, adjustable with a simple twist, providing extra security and comfort. The clips' soft edges ensure a gentle touch on your head, leaving no discomfort or irritation. The stylish design complements various hat types and different hairstyles, making it a versatile and practical accessory. As a reliable travel companion and a valuable addition to your outdoor gear, the KALLORY adjustable brown anti-lost hat clips are a must-have for any adventurer on the go.