Orchiata New Zealand Pinus Radiata Bark - Medium Chips (1/2") 2.5 Gallon Bag Specialty Orchid Medias from New Zealand Five convenient sizes of bark from 3/8" to 1" in three bag sizes - 1 Gallon, 2.5 Gallons & 10.5 Gallons Note: one gallon and 2.5 gallon sizes do not come in factory bag. They are re-bagged into the appropriate size.