EKI Deionized Water Chemistry Reagent, 10 Liter, 1 Each Heel Cushions Pads Black * Superior lumbar support vitamins and minerals compared Black * Superior lumbar support provides comfort wherever you sit * lightweight and portable * Enhances overall posture * Includes soothing massage * Use together with any Obusforme Backrest * Use it at home in the car or at the office * Item measures 16´ L x 10Û W x 4´ H * Uses 2 AA batteries (not included) Proprietary curly fiber neutralizes pH to the skin friendly range of 4 the absolute limit for completely pure water This high purity reagent grade water is free of all organic and inorganic contaminants and is packaged at 18 megaohms cm resistivity