6x Stainless Steel Beverage Cup Drink Holder Drop in Drain Marine Boat Car RV

6 Marine Grade Stainless Steel Cup Holders Included These premium, commercial grade stainless steel drink cup holders are made from durable, marine grade stainless steel. The heavy duty marine cup holder can handle harsh weather and road and sea vibrations. Cup holders are lab-tested for wet, salty conditions. Inside of the cup holder has narrow and wide stages (to accommodate smaller drinks like cans and larger cups) Rust-resistant marine grade stainless steel. Rubber bottom liner and a small closable drain hole. Hole cutout required on boat or RV: 3-3/4 inch. Inside diameter: 2-5/8 inch for small drinks (3-5/8 inch for larger drinks). Outside diameter (lip): 4-1/4 inch. Height: 3-1/4 inch (4 inch with drain). Weather resistant: built to handle salty water and big weather temperature variations. One Year Guarantee against workmanship and defects.