1Constructed by reliable quality material, which is durable, wear resistant and elastic, breathable. 2There is a mesh pocket to store mosquito repellent pellet which can give out special smell to repel mosquitoes. 3With adjustable hook and loop wristband design, suitable for most people to use, easy and comfortable to wear. 4The mosquito repellent pellet can last for about 15 days, offer you continuous protection for long time. 5Lightweight, easy to carry. Great for walking, camping, mountaineering, and other outdoor activities.