The card calls the crackers a “wonderful healthy snack” and does not describe how they are best eaten – on their own or with other foods; the portion size is not stated. According to the card, they should be stored at a temperature of up to 25 °C in a dry place.
General information (not a manufacturer's instruction): 100 g of the product contains 411 kcal, so the portion is worth counting in the daily diet.