20oz Stainless Steel Tumblers Bulk Tumbler with Lid

The 20oz tumbler made of high-grade 304 18/8 food grade stainless steel, rust and lead free.Stainless steel tumblers are designed with a double layer of vacuum insulation. This means that the tumblers bulk has a very good heat retention effect and can keep your favorite beverage cold or hot for hours.The surface of the tumbler in bulk is covered with colored powder coating, giving you a variety of colors to choose from.The coffee cups have a sweat-proof design to reduce the slipping of the cups.