BetterEarth Compost/Topsoil/Garden Mix Bulk Better Earth / Topsoil / Garden Mix Better Earth Compost Bulk does: 160 sf @ 2″ deep 40# bag does 3sf @ 2″ deep Topsoil Bulk does: 125 sf @ 2″ deep 40# bag does 3sf @ 2″ deep Garden Mix Bulk does: 130 sf @ 2″ deep