Our 10 lbs. Compressed coconut coir chips (1 Pack) are the perfect mulch solution for all your indoor and outdoor plants. Each one of our orchid potting mix bricks expands to 18 gallons of ready-to-use coco coir garden soil when you add warm water. Our coco coir chips are made from premium-quality coconut husks, providing a sustainable growing medium that's ideal for plants of all types. Coconut fiber substrate blocks are versatile and can be used as landscaping mulch, orchid moss, potting soil for indoor and outdoor plants, and even as indoor potting soil. They're perfect for indoor potted plants and provide excellent drainage and aeration, ensuring that your plants thrive.