Condition: New Size: 6 x 5.5 x 2.2cm • Silica gel is really not a gel, it comes in little beads also know as desiccants. Silica gel has the ability to absorb water that causes mould or moisture damage. It can absorb up to 40 percent of its weight. Silica gel is non-toxic and non-flammable. It doesn't create any environmental hazards. • Keep general items dry. • Protect items that are vulnerable to mold in moist environments, such as leather. • Protect lens from fungus. • Use them with a Ziploc bag or air-tight dry box. • Preserve old photographs.