Ready - to - use gel humidifier to be placed directly in the cigar humidor with the lid open after prior humidification with water.. . mark. sikarlan. . colours. transparent. . matter. plastic and gel crystals. . specificities. ready - to - use gel humidifier: composed of acrylic polymer crystals. maintains the humidity level at 70% at all times. capacity of 118 ml. ready to use. . dimensions. ready - to - use gel humidifier: diameter x height (cm). 7 x 6.5cm