Growlers make the perfect gift for Him and for Her! Each stainless steel growler is engraved with our Salient artwork to make this the perfect personalized gift. Choose from 3 styles. The Polar Camel 64 oz. Stainless Steel Vacuum Insulated Growler has a Swing-Top Lid and double-wall vacuum insulation. Polar Camels are made from 18/8 gauge stainless steel (18% chromium/8% nickel). Image lasers to a black color.