Capacity: 1200mlSize/weight: 10×7×26cm/490gCarton: 60×55×28cm/0.092m³QTY: 20pcsN.W./G.W.: 9.8/11.8kgs1. Introduction: The Need for High-Performance DrinkwareIn today’s fast-paced lifestyle, the demand for leak-proof insulated stainless steel tumblers has grown significantly. These tumblers provide reliable thermal performance, portability, and aesthetic appeal, making them suitable for professional, commuting, and casual environments. A tumbler with a black handle and flip-top lid is particularly advantageous due to its combination of usability, ergonomic design, and leak-resistant features.Ke...