An 1 lb bag.
Rice syrup solids are a granulated powder adjunct, like corn sugar or maltodextrin.
Rice solids are used to lighten beer and add body, rice flavor, and fermentable sugars. They are used extensively in light lagers all around the world, including Budweiser, Coors, and Miller.
If one wanted to make a gluten free beer then Rice Syrup solids would be one of the key ingredients in achieving a gluten free brew.