Pet Food Packaging Market (By Material Type: Paper & Paperboard, Flexible Plastic, Rigid Plastic, Metal, Others; By Packaging Type: Bags, Cans, Pouches, Boxes/Cartons, Others; By Food Type: Dry Food, Wet Food, Pet Treats, Chilled & Frozen Foods; By Animal Type: Dogs, Cats, Fish, Birds, Other Pets) – Global Industry Analysis, Market Size, Opportunities and Forecast, 2019 - 2026