LockdownA(R) Rechargeable Silica Gel Packets are the quick, easy way to keep moisture levels in check. Simply throw one into your safe or other enclosed area and the rechargeable desiccant in each packet will do the rest. Each Packet provides 40 grams of desiccant and they can even be recharged by placing them in the oven once saturated. Includes (5) 40-gram Silica Gel Packs. 40 grams of rechargeable desiccant each Prevents moisture damage in enclosed areas Desiccant crystals change color when they need recharging Packs recharge easily in the oven Includes (5) 40-gram Rechargeable Silica Gel packs Order today!