Global Stainless Steel Bottle Market Size, Share & Demand Report By Product Type (Single-Wall, Double-Wall / Vacuum Insulated, Triple-Layer Insulated), By Capacity (Below 500 ml, 500–750 ml, 750 ml–1 L, Above 1 L), By Lid Type (Screw Cap, Flip-Top, Straw, Sports/Sipper), By Insulation (Non-Insulated, Cold Retention, High-Performance), By End User (Residential, Corporate, Hospitality, Educational, Industrial), By Price Category (Economy, Mid-Range, Premium), By Region & Segment Forecasts, 2026–2031