XIKAR crystal humidifiers perfectly maintain the specified number of cigars at 70% Humidity. Simply unwrap, fill with humidifying Solution and place the humidifier in your humidor and it's working! Slow, steady release of constant humidity of 70%. Clear polycarbonate cases house crystal gel saturating 450 times their weight with humidifying solution! Magnet attachment system holds the unit firmly under the lid of your humidor. Watch the crystals and when they shrink to about half their original size, re-charge them with humidifying Solution.

Size: 6cm diameter.