Now Available in a New Blue Color. We are now keeping pets cooler than ever with the new Cool Bed III. No electricity is required to operate the Cool Bed IIIDog bed.and these pet bed.are attractively designed and allow a cool spot for dogs. The new nylonvinyl exterior is tougher than ever Being extremelyaffordable, the Cool Bed III is the choice for any dog owner looking to offer their pet a comfy, dry, cool place to relax. How the Cooling Dog bed.Work: Simply addwater to the Cooling Dog Bed through the easy fill cap and burp with the new easy air adjustment valve. Our unique Cool Core diverts the liquid better than ever throughout the bed for advanced cooling power. The new nylonvinyl exterior is tougher than ever Recommended for indoor and outdoor use.