Amazon.com : 10oz Orchid Sphagnum Moss - Natural Long Fiber Moss for Indoor Plants- 22QT Dried Medium for Repotting Root-Protection Potting Mix, for Carnivorous Succulent Reptiles : Patio, Lawn & Garden

Keep Breathable and Moist: The sphagnum moss will make the potting soil have good drainage performance and prevent the plant roots from rotting. Sphagnum moss also has a strong moisture-retention ability. They will maintain the right humidity and breathable environment for your orchids.
Safe Material: The orchid terrarium moss is made of natural sphagnum peat moss, which can be used for your lovely reptiles pet and flowers freely and safely.
Easy to Use: You can soak some compressed orchid sphagnum moss in water and then use a layer on the top of potting soil to help your orchids grow heathily and happily.
Total 5.3 Gal: You will receive 10oz dried peat moss, will be expanded into about 5.3 gallon after absorbing enough water, which is adequate enough to meet your needs.
Multiple Use: Natural potting soil is not only ideal for orchids, but also for other indoor plants. They also create loose, breathable growing environments for succulent cactus peperomia plants and Hoya Kerrii. Meanwhile, the sphagnum moss is also an excellent nesting mechanism for reptiles. It is ideal for terrarium decoration.