Cigar Caddy Crystal Gel Humidification, Large, 4-Ounce Jar, Reusable, Maintains Humidity at 70%;

Crystal Gel Humidification, Large (4-ounce Jar) - The Cigar Caddy Crystal Gel Humidifier is designed to effectively maintain humidity at 70-percent. The super absorbent polymer crystals absorb up to 100 times their weight in fluid. When adding water to the jar, crystals will expand. As they lose moisture, they shrink so your customers know when it's time to refill. Safe, effective, and very easy to use.