Roots Organics Coco Chips Block is one of the leading coco chips on the market. Roots Organics takes pride in preparing the chips for consistent growing environments. This compressed fiber is made from 100% pure coco husks. In order to obtain the perfect air to water ratio, water retention and drainage, this Coco Chip Block has been created with increased fiber content and is perfect for mixing into your outdoor potting soils, or indoor potting soil media. Simply add water to expand block. Makes approximately 2.1 cubic feet or 16 gallons of media. 4.5 kg bale.