Absorb, neutralize and solidify liquid acid (high pH) spills and leaks. Pillows contain neutralizing powder to keep everything contained. Sorbents Type: Acid Neutralizing Pillow; Absorbing Volume (Unit): 0.45 L to 2.26 L; Material Absorbed: Acetic Acid; Hydrochloric Acid; Nitric Acid; Phosphoric Acid; Sulfuric Acid; Capacity (Weight): 1.5 lb.