High quality 316 stainless steel construction,high polished for stylish surface Adjustable retainer arms, holds cups or cans from 55mm to 75mm diameter Folded size 114mm*114mm*20mm;Easy to install,specifically designed for marine applications Equipped with silicone mouldings on the retainer arms,and foam coaster on the inside of the drink holder,to reduce noise and prevent drink container from sliding Note: 1. Please feel free to contact us if you have any question about the product,we would be more than happy to serve you! Wish you have a good shopping experience. 2. Chromatic aberration may occur due to the imaging principle of the display and different shooting results. 3. Manual measurement, error 1cm, depending on the actual situation, please understand.Thank you!