BALLOON DISCLAIMER.  Yard Sign Sisters DBA Custom Sign Sisters  is not liable for balloons once they are out of our care. We use only the highest quality balloons, however, some may pop or deflate sooner than anticipated. We cannot guarantee your balloons will last once they have been delivered or picked up. Factors such as weather, children, pets, different surfaces, hot or cluttered car conditions, and foliage can jeopardize the lifespan of our creations.