Heat Shrink Packaging Market Size & Forecasts 2026-2035, By Segments (Material Type, Packaging Type, Shrink Ratio, Application, Customization Options), Growth Opportunities, Innovation Landscape, Regulatory Shifts, Strategic Regional Insights (U.S., Japan, China, South Korea, UK, Germany, France), and Competitive Dynamics (Sealed Air, Amcor, Berry Global, Bemis Company, Gate Wrap)