Material: Nylon Packaging: 1PC Size: 29*20CM Color: black, gray Choose high quality nylon material, with excellent durability, moisture absorption and air permeability, not easy to deform and break, to ensure long-term use. With adjustable fixing device, the tightness degree can be determined according to the head size, which is suitable for people of different ages. It can effectively disperse the gravity of the flashlight and reduce the head pressure. At the same time, the flashlight is fixed on the head, allowing both hands to move freely during exercise. It is suitable for night running, hiking, field exploration, repair, squat fishing and other night activities and homework. Note: Due to manual measurement, please allow an error of 1-3mm. Please ensure that you do not mind before bidding. Due to the differences between different monitors, the images may not reflect the actual color of the item. Please refer to the actual image received. Thank you very much. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.