・Made of high-quality aluminum, it can be widely used as a fashion item and outdoor gear. The aluminum alloy material is highly wear-resistant, environmentally friendly, and will not fade or rust, so it is suitable for long-term use. The size is 40 x 25 mm and weighs only 4 g. It is easy to carry and can be used in a variety of situations. Push-and-return fasteners are used for easy installation and removal.