Heavy duty, concentrated formula. Protects hull from costly deterioration. Dissolves, emulsifies and combines grease, oil and scum with bilge water. Automatically reaches difficult places with the roll of the boat. Kills bilge odor saves scrubbing time. 98% biodegradable formula. Specifications Dimension: 11.5" H x 6" W x 6" L Weight: 9.25 lbs