Pet Dog & Cat Shirt Screen Printed Does This Shirt Make Me Look Fat? All of our shirts are soft and comfy double stitched in all the right places to ensure durability! Please be sure to use our sizing chart our sizing is much smaller than some brands to ensure the best fits for the smallest to largest dog breeds! The material content is 65% cotton 35% polyester - we find that this mix offers the best comfort and durability. Thank you so much for your interest in our handmade high quality dog and cat shirts we hope you ll love them!