A sheet product dispenser comprising: a first roll holder configured to support a first product roll; a second roll holder configured to support a second product roll; a housing including a base portion and a cover (10, 314), wherein the cover (10, 314) is movable relative to the base portion to define an open position and a closed position, wherein the housing is sized such that a full size first product roll and a full size second product roll fit within the housing when the cover (10, 314) is in the closed position; a first dispensing mechanism (21, 221, 321, 421, 1221, 2521) configured to receive sheet product of the first product roll and dispense a portion of the sheet product of the first product roll; a second dispensing mechanism (26, 226, 426, 526, 626, 726, 926, 1026, 1226, 1326, 2526, 2926) configured to receive sheet product of the second product roll and dispense a portion of the sheet product of the second product roll; and a roll partition pivotally attached to the base portion and movable between a first roll partition position within the base portion and a second roll partition position spaced from the first roll partition position, wherein the second roll holder is connected to the roll partition and movable with the roll partition, separately from the cover, between a first position and a second position spaced from the first position, wherein when the roll partition is in the first roll partition position the second roll holder is in the first position, wherein when the roll partition is in the second roll partition position the second roll holder is in the second position, and wherein, when the roll partition is in the second roll partition position, (i) the sheet product of the second product roll (56, 156, 1256, 2956, 3456, 3556) is prevented from being loaded into the second dispensing mechanism (26, 226, 426, 526, 626, 726, 926, 1026, 1226, 1326, 2526, 2926) and (ii) at least one of the first product roll is able to be loaded into the first roll holder or the sheet product of the first product roll is able to be loaded into the first dispensing mechanism. a first roll holder configured to support a first product roll; a second roll holder configured to support a second product roll; a housing including a base portion and a cover (10, 314), wherein the cover (10, 314) is movable relative to the base portion to define an open position and a closed position, wherein the housing is sized such that a full size first product roll and a full size second product roll fit within the housing when the cover (10, 314) is in the closed position; a first dispensing mechanism (21, 221, 321, 421, 1221, 2521) configured to receive sheet product of the first product roll and dispense a portion of the sheet product of the first product roll; a second dispensing mechanism (26, 226, 426, 526, 626, 726, 926, 1026, 1226, 1326, 2526, 2926) configured to receive sheet product of the second product roll and dispense a portion of the sheet product of the second product roll; and a roll partition pivotally attached to the base portion and movable between a first roll partition position within the base portion and a second roll partition position spaced from the first roll partition position, wherein the second roll holder is connected to the roll partition and movable with the roll partition, separately from the cover, between a first position and a second position spaced from the first position, wherein when the roll partition is in the first roll partition position the second roll holder is in the first position, wherein when the roll partition is in the second roll partition position the second roll holder is in the second position, and wherein, when the roll partition is in the second roll partition position, (i) the sheet product of the second product roll (56, 156, 1256, 2956, 3456, 3556) is prevented from being loaded into the second dispensing mechanism (26, 226, 426, 526, 626, 726, 926, 1026, 1226, 1326, 2526, 2926) and (ii) at least one of the first product roll is able to be loaded into the first roll holder or the sheet product of the first product roll is able to be loaded into the first dispensing mechanism.