Just by placing the drying egg into the smell. Depending on the number of drying egg you will use, the deodorizing impact of one drying egg will double due to every additional drying egg you place into your refrigerator. As for the items care, you are supposed to put the drying egg complately under flowing water for about 30seconds, then after exposing it sufficiently to the sun ( as for benchmark: one whole day during summer time ) you can reuse it again. Repeating this process 4 to 5 times you can achieve complate recovery as like the time you purchased it.
size: Ø4.5 x 6cm