... and anywhere else damp is present.Feature:1:Home-use high efficient moisture absorber2:Absorbs up to 3 times ... granule,Volume:Net content:230gMoisture pickup: 500MLLast time: 1-2 months depend on the humidity and seasons Storage ... : 3yeas(in cool ,dry , sealed condition )Caution:1:Don’t eat , keep upright , don’t rollover ... the water to sink ,and discard high efficient moisture absorber dehumidifier box