CGS Protexo Cloth 12" x 18" Geological Rock and Soil Sample Bags are made of a woven 3.6 oz unfinished poly-cotton material. Our Protexo sample bags are designed for the storage, transportation, and assay of rock, mineral and geochemical soil samples. All bags have a drawstring closure and 2" x 3" waterproof yellow tag sewn into bags. The tags are marked on one side with standard sample format.
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