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Silica gel bead are about 2-4 mm in length. The beads will continue to feel and look dry. Weight increase up to 40% when saturated and 15% in the first 2 hours, no Cobalt Chloride. "The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatoryagencies.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.