Item Type: Fold Up Cup Holder Material: Stainless steel, silicon Cup Clip Adjustable Range: Approx. 53-80mm / 2.1-3.15in1Adjustable Cup Clip: The cup clip of the cup holder is adjustable from left to right, the adjustment range is 53?80mm, to adapt to different sizes of jars, cups, water bottles, etc. . 2Stainless Steel: This cup holder is of marine grade stainless steel construction, corrosion resistant and always maintains a shiny surface. 3Space Saving: This cup holder can be folded when not in use, so the humanized design saves space and you don't have to worry about narrow space. 4Easy to Install: The cup holder is equipped with stainless steel installation fasteners, easy to install and very durable. 5Primary Use: This foldable cup holder is designed for boats, yachts, trucks and RV applications for a wide range of uses. 1 x Fold Up Cup Holder 4 x Self Tapping Screw