30 Litre Domestic Grit Bin. This 30l Salt Bin has a handy built in scoop ideal for salt spreading on paths and driveways, can be used inside or out. The perfect answer for storing winter salt, simply place on your doorstep, in your porch or garage. Will hold up to 25kg of rock salt, the specially shaped lid is designed to channel water away from the main container. Made from tough durable plastic in the UK and will last for years.