... series of small desiccant packets and bags including silica gel, indicating silica gel, calcium oxide, clay (montmorillonite), molecule sieve. ... great capability of adsorbing moisture.We recommend silica gel,Montmorillonite ect.Second,we recommend packing material is Tyvek ... ,highly intensive,permeable to air and non-toxic. Desiccant packets and bags for image optics glassworkThis product mainly ...