lifebuoy icon. sos and safety ring sign. life buoy . life saver simple logo black on white. help or debark

1565 assistance beach belt black buoy circle concept debark design emergency eps equipment float guard help icon illustration isolated life lifebelt lifebuoy lifeguard lifesaver logo nautical pictogram preserver protection rescue ring risk safe safety save saver sea security sign silhouette simple sos survival swim symbol travel vector web white