5kg Coir Block Features: -Coir brick. -Coir is the coarse fibers from a coconut husk. -100% Natural and renewable resource. -Replaces peat moss, rock wool and perlite. Product Type: -Bark/Mulch/Moss. Dimensions: Overall Width - Side to Side: -12.25 Inches. Overall Depth - Front to Back: -12.5 Inches. Overall Product Weight: -12 Pounds. Overall Height - Top to Bottom: -5.25 Inches.