Shipping costs are calculated based on the weight of the package, as well as the destination. We use PostNL for our shipping services, and their rates are determined by the weight of the package. When you place an order with us, the shipping costs will be automatically calculated at checkout based on the weight of the items and the delivery address. This ensures that you are only charged for the actual shipping costs, and we strive to provide the most accurate and competitive rates for our customers.