Sales tax will be charged on orders from the State of Arizona. The exact amount depends on the size of your order and is tabulated automatically by our shipping calculator. There is no United States tax on international purchases. However, international customers should be aware that some countries charge duties, taxes, VAT or tariffs on merchandise from the United States. These costs are your responsibility. Please contact the postal service in your country to find out if you will be charged any special fees to receive your package before ordering.