500 Gram [40 Packets] "Dry & Dry" Premium Silica Gel Desiccant Packets - Rechargeable Fabric 20 Gram As you know these are

As you know these are oxygen absorbers and 21% of air is oxygen

Discard the whole bag in trash while holding the bag upright

Why are unopened oxygen absorbers hard as a rock when I receive them

- 8 Packs [Net 14 oz/Pack]  - Each absorber is stored in each bag for easy use and long term storage

As the humidity increases the chemically impregnated spots change from a blue color (DRY) to a Pink Color(HUMID)

500 Gram [40 Packets] "Dry & Dry" Premium Silica Gel Desiccant Packets - Rechargeable Fabric 20 Gram As you know these arePacket dimension : 5" x 9" Silica Gel Beads Size : about 2 ~ 4 mm Silica Gel Beads Color : Clear White 30+ YEAR EXPERIENCE in the Industry of Silica Gel Desiccant Premium Quality Pure and Safe Silica Gel without Cobalt Chloride ULTIMATE MOISTURE ABSORPTION & REACTIVATION Packet Material is Special Fabric by Spunbond Technology for "Ultimate Moisture Absorption" and "Heat Resistance for Reuse". REACTIVATION Packets can be Reactivated by Heating in an