Original Lannen Plantek PL64F seedling trays. Vertical slits and ridges & a specially designed base produce a more natural root system. 64 cells per tray (8x8). Internal cell volume: 115cc. Internal cell dimensions: 46x46x73mm. Tray dimensions: 385x385x73mm. No cells per sqm: 434. Tray weight: 1kg. Due to tray weight, a freight surcharge of $1.00 per tray applies.