Check the listing for details. 8lbs Indicating Silica Gel Desiccant, Orange to Dark Green, Moisture Absorbers. Condition: New. Listed at 36.99 USD. Silica Gel Beads Size: 2-4 mm; These are not the fine powder type for drying flowers; Do not use them for drying flowers; You can place the beads inside organza bags, muslin bags, or any other breathable bags; Replacement desiccant for air dryers and compressors.Indicating orange silica gel beads will change to dark green when 50-60% absorbed with moisture; Still almost half more capacity is left to absorb moisture even after color change.Reusable silica gel desiccants can be used with the following tools for reactivated: Oven, Microwave , Heat-gun, Heating-plate or heating-pad. These tools through heat to the desiccant and allowing it to remove the adsorbed moisture.Bulk beads are stored in an Air-Tight Sealed Container for Long-term Preservation and Protection; 2 Handles design for easy carry and pour.