I know it's not really a big deal (unless people don't notice or care maybe?).
The share tool at the back-end (https://www.zazzle.com/store/sanfrancisco/products) omits the product type ("Duffel Bag" in my example) while the sharing tool immediately after listing at https://www.zazzle.com/pub/done?pd=256159319701856018&tool=z3&isIframe=false displays it - compare the two screen shots:
