About This

• 【Reliable and steady heat release】 long lasting for 40H | 60H | 72H
• 【Simple to use】Open outer prackage and expose pack to air
• 【Wide-range use】Ideal for pet, live plants, reptiles, fish and corals
• 【Super effective】Produces an average temperature of 70°F in a standard 1cu. ft. shipping box
• 【100% Nature】Environmentally safe, disposable, and biodegradable