In the prodocut item list, move over your mouse to the product image, if you see the cursor changed to a hand icon and a message "click here to view bigger image". That means the pop-up info is available. If you cannot see the pop-up on the click, that might be your internet security setting blocked the pop-up function.

  How to enable the pop-up function? If you are using Norton Internet Security, please click on Norton Internet Security icon, click on "Norton AntiSpam", and check on the Detailed Status.  Under the "Status and Setting" (as the image below), click on Pop-up Blocking and "Turn On" the status to enable the pop-up function. 

   Then, the pop-up funtion should be able to show you more info on the product item.