All orders from douchebags.com are shipped DDP (Delivered Duty Paid)*. This means that the cost of customs/tax is included in the price you see during checkout. You will not receive any additional customs or tax after you've placed your order.
*This does not apply for orders placed to Switzerland. You will not be charged with EU-VAT during checkout but will have to pay import-taxes to the carrier for the package to be delivered.