This ONGROK Aluminum Storage Tube is perfect for those who want to keep their joints and prerolls safe during travel. It's lightweight and made of anodized aircraft - grade aluminum. Measuring 4.75 inches long, it's convenient to carry around. The double rubber O - ring creates an airtight seal, and it comes with extra O - rings for replacement. Ideal for travelers and anyone looking for a stylish and practical storage solution.