A dark shadowy mockup of a Mylar bag which commonly used for food packaging and such. this free version includes one single mockup template with both front and back mockup design but a premium version is available with 7x mockup scenes.Even the initial renders are done with dark shadowy look, any color design can be applied and it will output a great looking photograph of your product.
https://mockupfree.net/mylar-bag-mockup-template