(K&H Pet) Keep pets cooler with the new Cool Bed III, attractively designed to give your dog a cool spot. No electricity is required to operate the Cool Bed III¬--simply add the recommended amount of water through the easy fill cap and adjust the comfort with the air valve. The unique Cool Core diverts the liquid throughout the bed for advanced cooling power. The new nylon/vinyl exterior is tougher than ever! Recommended for indoor or outdoor use. Two year limited warranty.