Effectively contain and absorb accidental spills with these 10″L Oil-Only Booms. Spun-bound casing is surrounded by an open-net sleeve to eliminate dusting and lint. Strategically placed hooks allow you to create a boom chain of any length.Absorbs oil or hydrocarbons while repelling waterWhite fish netting outer sleeve allows greater oil penetration and easy saturation indicationForms a floating migration barrier to contain and absorb oil spills on water8″W or 5″ W Diameter availableSold as a pack of 4