Item:molecular sieve in cotton bag type: ... gel, indicating silica gel, clay (montmorillonite), molecule sieve, calcium oxide, calcium chloride, activated carbon . ... gel, indicating silica gel, clay (montmorillonite), molecule sieve, calcium oxide, calcium chloride, activated carbonThe use: ... sieve packet8.silica gel packets in roll form9.orange silica gel in bulk in cotton bags containing molecular sieve ...