Water Pillows Portable Humidifiers for Cigars, Pipe Tobacco . If dry, dip blue absorbent pad in distilled water for 10-15 seconds to activate Water Pillow. Insert hydrated pad inside this bag and seal. If moist, Water Pillow is active and ready to use. Place cigars, pipe tobacco, or RYO cigarettes in humidor, zip lock bag or other sealed container. Monitor moisture level to avoid over humidification. Keep cigars and loose tobacco fresh for 45-60 days.