Quantity: 1000kg (1 tonne) bulk bag. Coverage: 1000kg of equestrian sand will typically cover 12m² (12m x 1m) at a depth of 50mm. Consists of: Quartz of crystalline silica in very small, subrounded grains. Usage: Our equestrian sand is a fine silica sand that's robust enough for medium to heavy footfall and ideal for use in equestrian arenas, horse training areas, lunge pens and rolling pits.