Another fine alternative use for sustainable and renewable coconut shells. Use these coarse chips for mulching, hydroponics, or growing medium for bromeliads and orchids. It's pH 5.2-6.5 is ideal for potting amendments. Chips are about 1/4 X .5. Long lasting material wets and rewets easily and releases water evenly as chips dry out. Densily packed in a bale approximately 12 X 12 X 5. Once loosened up and watered, This material will expand 6 fold in a few minutes to approximately 2.5 cu ft. Covers 20 sq ft at 1.5" thickness.