Capacity: 350ml/12ozSize/weight: 8.5×6×13.3cm/226gCarton: 57.5×48×40cm/0.110m³QTY: 50pcs N.W./G.W.: 11.3/12.8kgs1. Core Concepts and Key TechnologiesThe insulated stainless steel sports & outdoor water bottle with straw represents a convergence of thermal engineering, materials science, and user-centered industrial design. While the product category appears straightforward, its performance depends on a series of tightly controlled technical decisions rather than aesthetic differentiation alone.At its core, the bottle is designed to stabilize beverage temperature over extended periods...