... complete series of small desiccant packets and bags including silica gel, indicating silica gel, calcium oxide, clay (montmorillonite), molecule sieve. ... and harmless adsorption material with great capability of adsorbing moisture.We recommend silica gel,Montmorillonite ect.Second,we ... density polyethylene fibers of Dupon,produce this products with heat and pressure.Its characteristics are waterproof, ...