Capacity: 500ml/17ozSize/weight: 8.5×6×16.4cm/264gCarton: 57.5×48×24cm/0.066mQTY: 30pcsN.W./G.W.: 7.9/9.4kgs1. Core Concepts and Key TechnologiesThe 16oz reusable insulated stainless steel sports & outdoor water bottle represents a mature intersection of thermal engineering, material science, and functional industrial design. While its external form appears minimal, its performance characteristics are the result of multiple tightly coordinated technical decisions.At the foundation of this product category is double-wall insulation, most commonly achieved through a vacuum-sealed cavity betw...