Professional Cup Holder: The cup holder is made of thicker, anti-rust stainless steel material; anti-corrosion; the surface has a polished finish with no coating, smooth edges; resistant to damage and deformation; sturdy enough for long-term use Cup Holder Size: The cup holder features rounded edges; measures 4" OD x 3.5" ID x 2.25" H; fits most standard-size bottles with a diameter of 3.5" or less, can also be used to hold your personal belongings Anti-Spill Cup Holder: The cup holder can protect your table from water spills; it can be permanently mounted to the table or can be removed as needed Important Tip: The cup hole for your table should be between 3.6" and 3.75" in diameter; we recommend waiting until you receive the cup holder before drilling your mounting holes Applicable: The cup holder can hold cans, beer and water bottles; it can be installed almost anywhere, poker tables, casino game tables, shelves, boats, beach tables, RVs, cars, trucks, benches, etc The jumbo cup holder is made of thicker, anti-rust stainless steel, it is anti-corrosion, with a polished, uncoated surface, smooth edges, resistant to damage and deformation. The cup holder fits most standard-size bottles with a diameter of 3.5" or less, or it also can be used to hold your personal belongings. The cup holder can Hold cans, beer and water bottles; it can be installed almost anywhere, such as poker tables, casino game tables, custom shelves, boats, custom beach tables, RVs, Cars, trucks, benches, etc.