The Leinster Pellets Premium Wood Pellets - 15Kg Are Made From The Best Sustainably Sourced Irish Virgin Pine And Spruce Timber. These Pellets Conform To /Exceed Cen/Ts 14961:2005 & En Plus A1 Standards. When Using Our Wood Pellets As A Fuel Source This Greatly Reduces Greenhouse Gases Over Traditional Fossil Fuels.