Georgia Pacific Micro-Twin® Toilet Tissue Dispenser - GPC 592-06 Two-roll dispenser offers the benefits of a jumbo roll dispenser. Compact design mounts horizontally or vertically. High-impact plastic construction. See-through cover with gray back. Holds two regular size rolls up to 5 1/2 diameter. Smoke. 13.58w x 5.73d x 8.6h.