This is a product with an option of pack size. The 1kg option is larger, so has an additional cost. It also has an additional weight, which affects the price charged by weight-based shipping methods.
This item has no reviews yet, so the review info near the top of the page has been replaced with a "Write a review" button, and the dedicated review section further down the page has been hidden until there's at least one review to display. To see what a product looks like with reviews, view another coffee product.