Carry your joints like a boss. This aluminum DOOB TUBE is designed to protect not only your joints and blunts. There is a Filter Tip inside that protects your mouth and lungs from unwanted hot bits of resin & tar. It prevents tongue and throat burns and enhances your lung's safety. Filter Tip inside also cools the smoke and makes it incredibly smooth. This Doob Tube is smell proof and provides child safety locking. Made from biodegradable & nontoxic materials, it is sustainable and is safe for the environment. You will not get ash on your hands every time you remove the joint from the tube as you don't need to flip it upside down as you do with any other doob tubes.