Each replant kit includes; 2 pre-measured ingredients and 2 mulch covers to keep weeds out Pre-measured ingredients include 1 lb. of Fertilizer (Natural-NPK-8-3-5) and 1 lb. of Natural Dolomite Replaces essential nutrients, allows you to reuse your season after season Easy to use an avoids guesswork, instruction manual included – just add your own growing media and plants