So the life buoy has been redesigned yet again, this time we have one that is made from specially engineered foam that can form a tight grip around the drowning person, when tension is placed upon the rope. The foam is fully resistant to UV, salt and normal levels of acid and bases. The design features an alarm that goes off when you remove the buoy from its place, this is especially helpful when its being used in remote locations and the emergency services need to be notifie