Standard Twin Toilet Tissue Dispenser, 13 x 8 3/4, Black. Twin tissue dispenser works to reduce run-outs and prevent waste. Compact double roll standard tissue dispenser takes up a minimum of space; perfect for small restrooms. Two-roll capacity with auto-transfer prevents paper run-outs, with second roll automatically sliding into place after initial roll is depleted. 1.5" mandrel. Tough, easy to clean industrial plastic.