Smart Pot Tray Liner, Raised Bed Flood, 3 ft x 3 ft x 1 ft (36" x 36" x 12") 3 feet wide x 3 feet long x 1 foot tall (36 in x 36 in x 12 in) Folds flat for easy storage Porous fabric allows for water to flow freely Unique ability to air-prune and enhance a plants root structure