A "staple product" refers to a necessary or essential item that is commonly used or consumed by people on a regular basis. These products are often considered as basic or fundamental goods that are important for daily life. Full definition
They have good coffee and some simple sandwiches and stock some American staple products like root beer, etc. if you're missing them. (vegannomnoms.net)
With the right products and marketing techniques, retailers can grow business with a simple staple product category — freshwater fish food. (petproductnews.com)
That's more land we lose for the production of our region's staple products such as apples, wine, dairy and vegetables. (oneregionforward.org)