HabiStat Orchid Bark Substrate consists of natural bark chips suitable for most reptiles, amphibians and invertebrates. This versatile substrate can be used wet or dry or misted daily to create high humidities. Available in a fine or coarse grade. A biodegradable substrate in a biodegradable bag - good for your reptile and for the environment! Our range of HabiStat substrates are all now packed in 100% recyclable and biodegradable paper bags. Available in 5L, 10L bags and Bulk. Directions for Use: Spread substrate evenly across vivarium base ensuring a depth of 2" (5cm). Do not overfill if using underfloor heating. Spot clean as required and replace regularly.