This holder does hold the mega roll size toilet paper. Roll is about 5.25 inch diameter. It only has to be squished a little bit to fit and can be removed by placing fingers in center tube of roll and pressing outward slightly to lift out of holder cage. This unit has a larger inner cage diameter than the smaller wire diameter models (1pc + 2 pc versions). Gave 3 stars primarily because I feel there is no excuse for not providing cage bore (inside dimension) and clearly identifying clearance for a drop in fit (not a squeeze fit) for the mega roll that is the most common size sold for the past 2 years. The 2 units I received had undersized top ring diameters versus the bottom ring due to an offset at the welded ends. This made a squeeze fit through the top and a nice loose fit at the bottom. Kept both units because they are the best of all (15) I have looked at but still not what they should be.