Silica Gel Beads: 2-4 mm 90% transparent beads + 10% orange beads Packet dimension: 5g - 45 x 58mm Package: 5g x 60 Packs Moisture Absorption Rate: 35% (Each 5g desiccant packet can absorb humidity at least 1.5g) Suggested Dosage: 5g for closed space Max 3L;in very humid conditions suggest use more packs to be more effective About Silica Gel:Silica Gel desiccant is a high-activity absorbing material which is odorless,tasteless,and non-toxic,with high absorption capability;silica gel desiccant whisks away moisture to create a protective environment of dry air for safe storage,to prevents all forms of rust,corrosion,oxidation,mildew,fungus,mold,fogging. Please note that it's hard to define how many days a packet can be lasts or how fast the color will be changed,the lifetime effected by use environments.
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