Orchidcare Coconut Husk Chip Substrate is a premium 100% organic & sustainable plant substrate made out of pure coconut husk chips. Helps hold in moisture for plants such as orchids that require higher levels of humidity. Works great for orchids in pots, or even outside just in a garden. Use it also in bioactive setups. Orchidcare comes in two varieties: a 5 KG compressed block, and a ready-to-use 2 LB bag.