Made of stainless steel with gold electroplating. The surface outside is mirror finish and very smooth. The bottom inside is mirror surface. The pencil holder is more tough and durable. It definitely can last for years without rusting. Our pencil holder is perfect for organizes pencils, pens, highlighters, rulers, markers, scissors and more. It can also be used to hold your makeup brush and other beauty tools. The pencil cup is compact and do not take up much space.