100% natural clay based Calcined Moler earth industrial absorbent, manufactured by thermal activation Reddish colour in appearance Excellent levels of absorption with high mechanical properties Particle size (1.0mm - 3.0mm) selected to achieve the most effective cost/performance ratio Highway approved product with German MPA approvals Suitable for road traffic areas Harmless to humans, plants and animals 30 litre bag absorbs approximately 13 litres of fuel