Wholesale Beer Growlers Nowest Vacuum Insulated stainless steel beer growlers are very durable. Its excellent thermal insulation performance allows you to taste ice cold beer anytime, anywhere in the warm rooms or hot outdoors. Stainless steel beer growler lead a trend. Thermal insulation technology allows you to feel the charm of sweating-free while enjoying the cold. Powder coating or pattern transfer printing technology, adding a sense of science and technology to life. Nowest Supply OEM and ODM Service for brand owner ,wholesale and dealer.Any color . As long as the customer provides the Pantone number, we will produce it accordingly. custom pattern can be printed and can be done by various printing techniques: silk screen printing, heat transfer printing, water transfer printing, sublimation transfer, etc.