One look at this jar, and it seems all but the same as Humi-Care's top-notch, award-winning humidification beads. But an apple ain't an orange, and a closer look reveals a lot more ingenuity than that. These new, advanced capacity Black Ice crystals ensure a slower, steadier release of moisture, ensuring even greater humidity stability than before (65-70%). And here’s where the "oh-damn" moment happens. The patented Black Ice ‘Pie Jars’ separate into 4 equal-sized pieces, allowing for more proportional humidity distribution. Plus, they free up a ton of wasted space by fitting snugly in the corners of your humidor. Genius! Don't bother trying to compare this to another jar you'll find somewhere else. Humi-Care Black Ice has no equal.
Check out the new 8oz jar size! Designed for larger 150 to 300-capacity humidors. 
Note: Crystals are shipped dry/not activated to allow you the flexibility to use only a fraction of the jar if desired. The dry crystals are very small, but will fill the container when activated. To activate, simply fill each section with distilled water or cigar juice about halfway then wait approximately 30 minutes until the crystals absorb all of the liquid.
Dimensions:
4oz Jar: 2.38"H (each wedge is 1.25” x 1.25”)
8oz Jar: 3.5”H (each wedge is 1.5” x 1.5”)

The Humi-Care Black Ice Pie Jar is covered by U.S. Design Patent No. D725,759S.