Rechargeable Blue Silica Gel Beads 3-5mm Desiccant Indicating Moisture Absorber Dehumidifier Blue to Pink Color Change Dry Packs

Silica gel bead size: 3-5 mm; these are not the fine powder type for dried flowers; do not use for dried flowers; you can place the beads in an organza bag, plain weave cloth bag, or any other breathable bag; suitable as a replacement desiccant for air dryers, 3D printer filaments, and compressors.

Indicates that the blue silica gel beads will turn pink when they absorb 50-60% moisture; even after the color change, nearly half of their capacity can still absorb moisture; the blue beads contain less than 0.3%... 1. Cobalt chloride, if ingested in large quantities, may pose health risks; do not use in food or medicine.

The beads can be reactivated by placing them in an oven at 200 to 250°F for 0.5 to 2 hours, or by microwaving them on defrost mode for 10 minutes; do not use ovens above 250°F; depending on the condition of the beads, they may require less time than recommended; please check the color of the beads regularly.

Store the beads in an airtight container for long-term preservation and protection; the bottle has a handle for easy carrying and pouring; the packaging is made in the USA.

This product is not easily perishable and will not expire.