Cocopeat Growbags are packed in high density, co-extruded plastic bags, which are UV treated at least a minimum of 2 years. Another advantage is that they are easy to transport before re-hydration and can be stocked for months as they are compressed dry. Cocopeat Growbags are a multipurpose growing medium for vegetables, fruits & flowers and are 100% natural. Made up of a special blend of coir pith and chips, designed to provide the ideal air to water ratio for farming.