It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
This image was acquired from
Keywords from Image Description:
sandwich food bread lunch snack meal cheese meat dinner fresh healthy delicious tomato lettuce bun tasty restaurant gourmet menu nutrition diet american cuisine deli turkey wheat cold grain swiss cheddar mayonnaise ham sub submarine wholesome carbohydrates
Page 2017 Free-images.com. All images are Public Domain