NAF1008 Features: * Coir brick * Coir is the coarse fibers from a coconut husk * 100pct Natural and renewable resource * Replaces peat moss, rock wool and perlite * Compressed bricks are easy to handle and store * Disease resistant * Excellent air space and water holding capacity * pH Neutral * Holds 7 times its weight in water Dimensions: * Dimensions: 1.5"" H x 4.5"" W x 8.5"" D