5 Liter bottle made of plastic outer with stainless steel double-wall construction liner. Leak-proof cap locks to avoid spills. Engraving available on cap top only. Zippered UltraHyde Pouch optional, available at an additional $0.50 per piece, but pouch is not available for imprint. Bottles are not inserted in pouch. Check General Information page for insertion charges. Holds 16.9 oz. Polybagged individually.