This is a professional Rhinestone Diamond Tumbler Turner made of high-quality metal, which is durable and anti-rust. It has a non-slip design and is suitable for various sizes of tumblers. The tumbler Turner is designed for easy operation, with a comfortable grip and a long handle for better control. With this tumbler Turner, you can easily create beautiful patterns on your tumblers, making them more personalized and attractive. It is a great tool for making DIY crafts, such as personalized tumblers, cups, mugs, water bottles, wine glasses, and more.