Premium Quality: The Folding Cup Drink Holder Is Made Of Stainless Steel, Which Is Rust-Resistant and Corrosion-Resistant. High Quality Material Is Not Easy to Deform and Wear Resistant. The Surface Is Polished, Shiny and Bright, Designed for Marine Applications, Durable and Easy to Clean.Foldable Design: The Stainless Steel Drink Holder Is Foldable Design, The Thickness After Folding Is Only 20Mm. The Structure Is Compact and Small, and It Can Be Installed On Any Flat Surface. Opened When In Use and Folded When Not In Use, Which Can Save Space and Is Convenient for Storage.Adjustable Retainer Arms: The Retainer Arms Of The Cup Holder Is Equipped with Soft Material, and There Is A Foam Coaster On The Inside Of The Drink Holder, Which Can Better Fix The Cup and Prevent The Beverage From Sliding. The Adjustable Retainer Arm Can Holds Cups and Cans From 2.17" (55Mm) to 2.95" (75Mm) Diameter.Easy to Install & Use: The Boat Cup Holder Is Equipped with 4 Mounting Screws, and There Are Pre-Drilled Screw Holes On The Back Of The Bracket to Ensure It Can Be Easily Installed On Any Flat Vertical Surface.Wide Applications: Easily Adjust to Hold Almost Any Cups, Drinks, Cans, Mugs or Other Bottles. The Marine Cup Holders Are Universal Fit for Boats, Yachts, Caravans, Cars, Trucks, Rvs, Vans...