You can put a pill or a match, or you can use it as a key pendant. Full-featured and very portable, suitable for hunting, fishing, camping, exploring Risk, wild life rescue, etc. Various outdoor activities or households. The capsule is made of aluminum alloy and the surface of the product is anodized and waterproof. Features - ColorAssorted Color - Material: Aluminum alloy. - Size: About 5 x 2.05 x 2.05 cm. - The capsule is made of aluminum alloy and the surface of the product is anodized and waterproof. - Wear-resistant, the cover can be unscrewed, has a sealing ring, can be waterproof, and the inside of the is very dry - Net, can be equipped with pills, or commonly used pills, small flint, hook fishing line survival equipment, hanging , easy to use. - In addition, you can carry and carry it with you (name, critical time) engraved contacts, phone calls, and past history of , hanging in children or without the elderly with the ability to their loved ones when they are lost.) - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 6 x aluminum alloy bottle