Features: and high quality Stainless steel material, marine grade 316, seawater corrosion resistance, mirror polishing, longer service life Easy to install, durable, conveniently holds your drinks in style Open ring design, suitable for universal cups, cans, and mugs Widely used on boats, game tables, sofas, cars, and more Bottom to top installation; requires drilling a hole through the mounting surface Cup holder design efficiently utilizes the edge of the seat aperture, simple and elegant Package Includes: 1 x Cup Holder Specifications: Material: Stainless Steel Size: As shown in picture Net Weight: 300g Note: Please allow 1mm error due to manual measurement Due to differences between monitors, the picture may not reflect the actual color of the item