Once you're finished adding your trips, click the "offset" button at the bottom of the calculator which will take you through to our carbon offset product page. After you've completed your purchase, we'll email over a voucher worth £1 per 0.1 tCO2e that you've offset, which can be used across our entire collection of travel products! It's our way of giving you the opportunity to not only travel in a more responsible way, but to also check out our amazing collection of travel products to take with you to have an even more sustainable trip!