Features: 1. Breathable Material: Made of high quality fabrics. Good air permeability, moisture-wicking, dry and comfortable. 2. 4-in-1 mask: It is not only a mask, but also can be used as a bracelet, collar and headband. Cool, fashionable. 3. Neckband Design: Get rid of the traditional style of hanging ears, the neckband is designed to release pressure on your ears and dress more comfortably. 4. Four Layers of Protection: It can be protected from cold, wind, dust and ultraviolet rays under any circumstance, allowing you to enjoy sports. You can use it under any type of helmet or hat. 5. Multi-purpose: suitable for outdoor use, skiing, skating, motorcycles, bicycles, running, fishing, hunting, mountaineering, camping, hiking and other purposes. A perfect gift for a friend or yourself. Description: Eliminate ear tension with a fully adjustable elastic band, ensuring it is around your neck, reducing the fogging of your glasses and sunglasses, creating a tight seal to prevent gaps. Specifications: Material: cotton yarn Cover material: cotton Packing: OPP Mask style: strap type Package included: 1 * mask Notes:1. Please allow 0-1 inch error due to manual measurement. Thank you for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the actual