Fits:   White Plastic Cup Holder Boat RV Car Truck (marine size)
Bottom of Cup Diameter:  2.715 inches.   6.8961 CM
Depth of Cup:  3.15 inches.  8.001 CM
Top of Cup INSIDE Diameter:  3.515 inches.  8.9281 CM
Top of Cup OUTSIDE Diameter (Lipped Diameter): 4.25 inches.  10.795 CM