Silica Gel Beads: 2-4 mm (50% transparent beads + 50% orange beads) Package: 2g x 120 Packs Moisture Absorption Rate: up to 35% (Each 2g desiccant packet can absorb humidity at least 0.6g) Suggested Dosage: 2g for closed space Max 1.3 quarts; in very humid conditions suggest use more packs to be more effective Why Choose Wisedry Silica Gel Sachets No physical change.Nontoxic,no harm,no pollution.The beads always keep dry after absorbed moisture,don't need to worry about any chemical leaked problem.With orange color indicating silica gel beads,CoCl2 free (blue silica gel is not recommended to be used),to remind you when it need to be replaced.Food grade materials,safe to be used with foods and medicines.