Quantum ® Jumbo Roll Bath Tissue Dispenser with Stub Roll Compartment. • Made of break- and chemical-resistant plastic • Transparent full-swing replaceable cover provides easy viewing of paper • Cover has key lock mechanism to prevent theft Holds one 13" roll and one 7" stub roll. Infinity ® System prevents access to spare roll until first roll is depleted; eliminates stub roll waste. 22w x 5-7/8d x 16-1/2h. Black Pearl.