Add this Hornady(R) Dehumidifier Bag to your gun safe for an easy, reliable way to keep your firearms free from rust and other damage. Compact Dehumidifier Bag measures in at just 8" x 5" x 1.5" and features 450 grams of rechargeable desiccant that prevents moisture from ruining your firearms. Built-in moisture indicator changes from blue to pink when the bag is saturated and ready for reactivation. 450 grams of rechargeable desiccant Prevents moisture damage in enclosed areas Built-in moisture indicator Reusable design