High quality material: Made of durable aluminum alloy, this cigarette case with key ring features a smooth surface that will not rust or deform, ensuring long-lasting use for your smoking needs . Moisture and rust resistance: Designed to resist moisture and rust, our compact cigarette case features a silicone seal at the interface for optimal cigarette storage , keeping your smokes fresh wherever you were going. Convenient Portability: With its small and lightweight design, this mini aluminum cigarette case is easy to carry, making it ideal for travel, outdoor activities or everyday use. Hang it on your key ring or your backpack for quick access without fear of losing it. Versatile and stylish: Featuring a classic and elegant appearance, our waterproof round cigarette case offers a unique design that allows for customizable length and internal separation. It can hold 2-5 cigarettes for men or 9 to 10 cigarettes for women, making it perfect for personal use or gifting. Versatile use: Each set includes two portable cigarette cases with key rings, measuring 12.2 x 2.4 cm. These versatile cases can also hold items such as toothpicks, cotton swabs, pills or ear spoons, making them perfect for everyday carrying and organization. Note: The data is all measured manually, please allow 1-3cm error due to differences in light and display, there may be color differences, please refer to the actual item received .