Capacity: 240mlSize/weight: 7.1×5.2×10.2cm/129gCarton: 46×38.5×22.4cm/0.040m³QTY: 60pcsN.W./G.W.: 7.7/11.7kgs1. Understanding the Core Concept: Double-Wall Insulation in Office DrinkwareAn insulated stainless steel office cup with a double-wall structure is fundamentally a thermal management product rather than a simple container. Its primary function is to reduce heat transfer between the beverage inside and the surrounding environment, maintaining drink temperature over extended periods without external energy input.The double-wall design consists of two concentric stainless steel layers sep...